ada 306170
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m
DST-1160G-514-82-V0L
2
W/Chgl
DEFENSE
INTELLIGENCE
AGENCY
SMALL-CALIBER
AMMUNITION
IDENTIFICATION
GUIDE
V O L U M E
2
20-mmTO40-mm
CARTRIDGES
0AUGUST
1985
%
< u -
v>
APPR0VEO
FOR
PUBUCRELEASE;
V
I S T R I B U T I O N U N L I M I T E D
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DST-1160G-514-82-VOL
2-CHG
28
April
989
VALIDATIONSTATEMENT
SMALL-CALEBERAMMUNITIONIDENTMCATIONGUIDE
U)
VOLUME
:
20-MM
TO
40-MM
CARTRIDGES
U)
DST-1160G-514-82-VOL2 0August985
(WithChange
)
DIA ask
Unit
PT-1160-01-07L
EFFECTIVE
DATE
OF
REVIEW
6February
989
Th eataponhichhis
ocument
s
asedaveeenubjected
o
continuous
eview
nd
nalysis
y
he
S
rmy
oreign
ciencend
Technology
Center,
ndt
has
beendeterminedha t
he
ubstantiveontent
of
this
document
is
till
valid
and
up
o
date
sof
6
February
989.
ThisvalidationonstitutesChange2o
he
basicpublication.
This
s
epartment
f
efensentelligenceocumentreparedy
he
ForeignScienceandTechnology
Center,
USArmyntelligenceAgency,nd
approved
byheDirectorate
orScientific
nd
Technical
ntelligenceof
he
Defensentelligence
Agency.
Note
his
tudy
winbeepublishednhe
future
n
n
as-required
asis
spdated
nformation
arrants,
ersus
a
regularchedule.heubjectmattersontinuouslyeingeviewedor
currency
and
accuracy
bythe
Infantry
Branch,
USArmyForeignScience
and
Technology
Center.
ommunications
maybe
stablishedby
ontactinghe
Commander,USAFSTC,
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Charlottesville,
VA
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ATTN: AIFRCB,
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274-7475.)
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OCUMENTS
EST
QUALITY
VAILABLE.
HE
COPYURNISHEDOTIC
CONTAINED
IGNIFICANT
NUMBER
OF
PAGES
WHICH
DO
NOTEPRODUCEEGIBLY.
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September
1982
ST-1160G-514-82-VOL2
Small-Caliber
Ammunition
Identification
Guide
USER
QUESTIONNAIRE
Thisquestionnaire
is
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for
enhancing
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OFFICIAL
tUSMESS
FO*PW V A TE
UK
1300
P O STAG E
AN D
FEES
FAIO
DEPA R TMENT OfTHE
A R M Y
OOD
314
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USArmyForeignScience
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SMALL-CALIBER AMMUNITIONIDENTIFICATION GUIDE
Volume
2
20-mm
to
40-mmCartridges
AUTHOR
Albert
Watson,
III
DST-1160G-514-82-VOL2-CHG1
DI ATASK
UNITPT-1160-01-07L
DATEOFPUBLICATION
30
August
1985
InformationCutoffDate
1
April1985
Thisdocument
supersedes
DST-1160G-514-78-VOL 2 ,
datedDecember1978
This
s
Department
ofDefense
Intelligenceocument
repared
bythe
ForeignScience
an d
Tech-
nologyenter,
S
rmyntel-
ligencegency,nder
heOD
S&T
ntelligenceroduction
programndpprovedyhe
Assistant
hief
f
taff
or
Intelligence,
US
Army.
Thisdocumenthasbeen
processed
forCIRC.
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DST-1160G-514-82-VOL
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30
August
1985
US
ARMY
INTELLIGENCE
AGENCY
Publication No.
OREIGNSCIENCE
AND
DST-1160G-514-82-VOL
2
ECHNOLOGYCENTER
Change1
harlottesville,VA
2901-5396
SMALL-CALIBER
AMMUNITION
IDENTIFICATION
GUIDE
VOLUME
2 :
20-mm
to
40-mm
CARTRIDGES
Publication
o.
ST-1160G-514-82-VOL2 ,
ublished
on
3
September
1982,s
amendedas
follows:
he
pages
listed
below
are o
be
removed
and
destroyed
in
ccordancewi t hexistingecurityregulations,
and
newpages
are
substituted
or
added.
Remove
pages: Insertnewpages:
Front
cover Frontcover
Title
page
Title
page
iiithruv
(Reverse
iiithruvi
Blank)
ixan dx ixan dx
5thru8 5
thru
8
40.1(ReverseBlank)
44.1(ReverseBlank)
5 7
and
58
5 7
an d
58
69thru7 6
69
thru
7 6
79
thru
8 2
79
thru
82
85thru94
85
thru9 4
9 7
and
98
97
an d
98
101and
102
101
and
102
105
thru
112
105
thru
112
119
thru122
119
thru
1 2 2
1 2 7
thru13 0
127thru130
141thru143(Reverse 141thru144.1
Blank)
(Reverse
Blank)
179
thru184
179
thru184
188.1
thru 188.4
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DST-1160G-514-82-V0L2-CHG
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3 0August1985
PREFACE
Thisuide,
olume
2
f wo-volume
eries,
supplementsVolume1 ,
wh i c h
provideside n tif ica tio n
procedures
or
mall-arms
artridges
f
5-mm
caliberand
below.
olume2is
designedtoassist
t heeader
n
dentifying
il i tary
artridges
n
calibers
rom
0
mm
o
0
mm
s
o
artridge
designation,ountry,nd
weapon(s)or
wh i c h
he
cartridges
re
ntended.
ikeolume
1,
t
provides
personswi t h ou t
a
technical
background
in
am m u ni tio nasic
nfor ma t i on
n
artridge
ypes,
construction,nderminology,s
ells
ore
d e t a i led
de n tif ica tio nat anach
artridge.
Addi tio nal
nformation
nhese
artridgesan
e
found
invarious
ex ploi t a t i on
reports
on
individual
rounds.
ons oli d a t ed
i s t i ng
f
hese
e xpl o i ta tio neports
s
rovided
n
he
ppendix;
future
ditionsf
his
olume
illnclude
pertinentdatafrom
ex ploi t a t i on
reports
of
20-
to
40-mmcartridges.
Coveragefhis
olume
simitedoar-
tridges
n
he0-
o0-mm
aliber
angeade
since9 3 0ndesignedoril i taryse;his
excludes
h o t g un
artridges,iot-controlar-
tridges,ndignal
artridges,
nd,
it h
ew
exceptions,
ubcaliber
artridges.
lsoxcluded,
becausefheirageandimiteduse,reeveral
types
f6-mmartridgesevelopeduringorld
WarIIyermanyorsenhe6-mm
Kampf pistole,
ifled
eaponhataseveloped
from
t he
signal
pistol.
The
nfor ma t i on
ontained
n
hisuideas
been
erived
roma
va r i e t y
of
ources:
xamina-
tionf
artridges,
n t elli g enc e
nd
xplosive
ordnance
disposal
reports,USandforeigntechnical
publications,
nd
on t r i b u t i ons
y
nowledgeable
individuals.
^f-
Change
1
hasbeen
incorporatedintot his
volume.
An
s t er i s k
*)
associated
it hnyaragraph,
iii
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DST-1160G-514-82-V0L2-CHG1
30August
1985
illustration,
r
able
ndicates
ewr
evised
i nfor ma t i on
inchange
1 .
Mostllus t r a t i onsppearing
n
hisocument
aredentifiedy
ix-digit
eg a t i v e
umber
printed
n
heower
eft
orner
fhe
igure.
Users
can
request
prints
of
these
i llus t r a t i onsby
citing
t he
neg a t i v e
numbers
and
t he
short
t i tl e
of
thisublicationn equest
ddressed
ohe
Commander,
S
rmy
Foreign
Science
nd
Technology
Center,
20even t htree t,E.,
h a r lo t t e s v i lle,
VA22901-5396(ATTN: AIAST-PO).
Co ns tru c tive
riticisms,
omments,
nd
ug-
gestedhangesre
ncouraged
nd
houlde
forwardedt o
t he
Commander,
USArmy
ForeignScience
and
Technology
C en t er
at
t heabove
address.
IV
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DST-1160G-514-82-VOL2-CHG1
30
August
1985
LIST
OFEFFECTIVE
PAGES
SUBJECTMATTER
PAGENUMBERS
DATE
Title
Page
one
Preface
Iiian d
iv
List
o f
Effective
Pages van dvi
Recordof
Changes
.
vii
(RB)
Table
o fContents
.
ixandx
List
of
Illus-
trations
xi
ListofTables xii
Section
I
1
thru
1 5
(RB)
1
thru
4
5
thru
8
9thru1 5(RB)
Section
II 1 7
thru
21(RB)
Section
III
23
thru
144
23
thru
40
40.1
(RB)
4 1thru44
44.1(RB)
45
thru
5 6
57
and
58
59thru68
69
and
70
70.1(RB)
7 1
thru
7 6
77
and
78
79thru 82
83
an d
84
85thru
9 4
95and96
97and98
99an d
100
101and
102
103
an d
104
105
thru
112
113thru118
119thru122
30
Aug1985
30Aug1985
30Aug
1985
1 3Sep1982
30
Aug1985
13
Sep
1982
1 3
Sep1982
1 3
Sep
1982
30
Aug
1985
1 3
Sep
1982
1 3Sep
1982
1 3Sep
30
Aug
1 3Sep
30
Aug
1 3Sep
30
Aug
1 3Sep
30
Aug
1 3
Sep
30
Aug
1 3Sep
30
Aug
1 3
Sep
30Aug
1 3Sep
30
Aug
1 3
Sep
30
Aug
1 3Sep
30Aug
1 3
Sep
30
Aug
1982
1985
1982
1985
1982
1985
1982
1985
1982
1985
1982
1985
1982
1985
1982
1985
1982
1985
1982
1985
1982
1985
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30
August
1985
SUBJECT
MATTER
PAGENUMBERSATE
12 3
thru126
3
ep1985
127
thru1300ug1985
13 1thru1403 ep1982
141
thru
144.1
(RB)
0
ug
1985
Section
IV 145thru188
145
thru178
3 ep1982
179
thru
184
0 ug1985
18 5
thru
188
3
ep1982
Section
V 188.1thru188.4
30ug1985
Appendix
189
and
19 0
3
ep1982
Bibliography
19 1
(RB)
3 ep
1982
DistributionList . 19 3
thru19 5 RB) 30ug1985
vi
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DST-116QG-514-82-V0L
2
13September1982
RECORD
OF
CHANGES
CHANGE
NUMBER
DATEOF
CHANGE
DATE
ENTERED
SIGNATRE,RANK/RATE
AND
ORGANIZATION
OF
INDIVIDUAL
ENTERINGCHANGE
vil
(Reverse
Blank)
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DST-1160G-514-82-VOL2-CHG
1
30
August
1985
TABLEOF
CONTENTS
Page
Preface ii
SECTION
I .
INTRODUCTION
1 .eneral
2 .rganization
3 .
artridgeCases
4 .rojectiles
5 .
rimers
6 .
ropellent
3
7 .artridgeDesignation
4
SECTION
I I .
CARTRIDGE
IDENTIFICATION PROCEDURES
1 .
eneral
7
2 .
aliber
and
Cartridge
Designation
.
7
3 .
ountryan d
Year
of
Manufacture
. . .
8
4 .
unctional
Type
0
5 .
afety
inHandling 0
SECTION
III. CARTRIDGE
IDENTIFICATION
DATA
A.
ARTRIDGE-CASE
OUTLINE
DRAWINGS
1 .
eneral
3
2 .
se
3
B .IMENSIONAL
ANDREFERENCEDATA
3 .imensional
Data
5
4.
artridgeReference
Data
4
SECTION
I V . MARKING
PRACTICES
BY
COUNTRY
A.
GENERAL
1 .
cope
45
2 .
rganization 45
ix
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DST-1160G-514-82-VOL2-CHG1
30
August
1985
TABLE
OF
CONTENTS
(Continued)
B .
COUNTRY
MARKING
PRACTICES
Page
3 .hina
45
4 .
zechoslovakia 148
5 .
gypt
50
6 .
rance
51
7 .srael 57
8 .
pain 59
9 .
weden
63
1 0 .witzerland 66
1 1 .
nitedKingdom
70
1 2 .
nited
States
73
1 3 .
SSR
78
1 4 .estGermany82
1 5 .orld
War
IIGermanyand
Japan
85
^SECTION V . AMMUNITIONINTERCHANGEABILITY
. .
88.1
APPENDIX.
ExploitationReportson
20-
t o
40-mm
Cartridges
89
Bib
XxoiTpny
yi
Distribution List 93
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DST-1160G-514-82-VOL2
13
September
1982
LIST OFILLUSTRATIONS
Figure
age
1 .
artridge
BaseTypes
2 .
unctional
Projectiles
0
3 .
mall-ArmsPrimers 2
4 .
rtillery-Type
and
Electric
Primers 3
5 .
ypicalHigh-Low
Pressure
Cartridge 4
6 .
ocationofRimandHeadMeasure-
ments
5
7 .
hineseCartridge
Markings 47
8 .
zechoslovak
Cartridge
Markings
49
9 .gyptianCartridgeHeadstamp
Markings
51
1 0 .rench
Cartridge
Markings
55
1 1 .
sraeli
Cartridge
Markings 58
1 2 .
wiss
Cartridge
Headstamp
Markings 166.1
1 3 .K
Commercial
Cartridge
Headstamp
Markings
71
1 4 .
K
20-mm
Cartridge-Case
Markings
. . . .
72
1 5 .
K
30xll3BCartridge-Case
Markings
72
1 6 .SCartridge
Markings 76
1 7 .
oviet
Cartridge
Headstamp
Markings
80
1 8 .
oviet
37-mm
Cartridge-Case
Markings 81
1 9 .
est
German
CartridgeMarkings
84
2 0 .
orld
War
II
German
Cartridge
Markings 86
21.
orld
WarI I
Japanese
Cartridge
Markings 87
xi
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DST-1160G-5U-82-VOL 2
13
September1982
LIST
OF
TABLES
Table
I .0-
to
40-mm
Cartridge
Data
I I .
rench
Color
Coding
Practices
III.
bbreviations
and
Terms
on
French
20-
t o
40-mm
Cartridges
I V .
panish
Color
CodingPractices
V .unctional
Type
Letter
Codes
VI.
rojectileFiller
LetterCodes
VII.
onstandard
Spanish
Cartridge
Markings
VIII.
ispano-Suiza
Projectile
Types
and
Color
Coding
I X . Oerlikon
Projectile
Types
andColor
Coding
X .
NATO
AmmunitionColor
Codes
for
Ammunition
inCalibersof
20
mm
and
Above
XI.
Experimental
US
30-mm
Belted
Cartridge
Cases
XII. Explanation
of
SovietProjectile
Designators
XIII. German TermsandAbbreviationsUsed
on
Ammunition or
Packaging
Page
56
152
156
159
161
161
163
167
168
174
177
179
183
Xll
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DST-1160G-514-82-V0L
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13
September
1982
SECTION
I
INTRODUCTION
1 . General
a.
hisguide
provides
reference
data
on(and
outlinesprocedures
that
will
aid
intheidentifica-
tion
of)
cartridges
inthe
20-to40-mmrange.
t
thus
upplementsolume
1 ,
hichealsit h
he
identificationfmall-arms
artridges
p
o
1 5
mm;o
cartridgesbetween
15
mmand
20
mmare
currentlyinmilitaryuse.
uch
oft heinformation
that
ppears
n
olume1
s
pplicable
n
ome
degree
ohe
larger-calibercartridgesdescribed
in
thisvolume,o
he
reader
is
advisedto
use
thesepublicationsasa
two-volume
set.
b .
uringheast0
years,
umerous
unc-
tional
ypes,
odels,
ndolorodes
n
any
calibers
f
mmunition
ave
een
ntroduced
worldwide,
o
he
nformation
n
his
uide
islimited
to
cartridgedesignationandcountryand
year
of
manufacture .
ome
guidance
is
provided
as
tothedesign
and
visual
identification
of
func-
tional
ypes,uthe
etermination
f
pecific
model
designations
or
identification
of
color
codes
usedbyeachcountryisoutsidet hescopeof
this
volume.
c .
he
erm
cartridge
dentification"
an
encompass
wide
spanofactivities,anging
from
t hesimple
determinationofcartridge's
caliber
and
case
lengthto
adetailed
examinationthatcanin-
clude
it scountryof
origin,
functional
type,
model
ortype
designation,
and
evenlo tnumber,year,
and
placeof
manufacture.
he
problems
involvedint he
identification
of
cartridgesmay
be
summarized
in
threeuestions,
hichhis
uide
ill
elp
o
answer.
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DST-1160G-514-82-VOL2
13
September
1982
(1)
hat
s
he
artridge
esignation?
This
s
expressedby
a
briefdescriptivedesigna-
tionthatincludes
the
projectile
caliber
andcase
length.
hisesignation
s
pplicable
o
ll
cartridgesthatcan
befired
in
gunschamberedfor
thisspecificcartridge.
( 2 )
hoadeheartridge,ndhen?
Normally,thisinformationcan
be
derivedfrom
the
markings
thatappearontheprojectile,onthecase
wall,or
on
the
cartridge
base.
f
the
cartridge
isunmarked,
or
ifthemarkings
are
forany
reason
inadequate, detailedexamination
and
comparison
withimilarartridges
f
nownriginay
e
necessary.
ecausef
ts
echnicalomplexity,
suchacomparisonfalls
outside
t hescope
of
this
guide.
(3 )
hat
s
ts
unctional
ype?
ore
specifically,
oes
he
rojectile
ontainn
explosiveharge
hat
emands
ddedaution
n
handlingndtorage?requently,
his
an
e
determinedbeyonddoubtfrommarkingsdata,but
f
anyquestion
exists,
an
examination
by
technically
qualified
ammunitionspecialistswillbe
necessary.
d .mmunition
int he20-
to
40-mm
category
i s
frequently
termedautomaticgunammunition,ince
with,
ery
fewexceptions,
ll
of
he
cartridges
produced
todayinthesecalibersare
designed
tobe
fired
infully
automatic
weapons
similar
inopera-
tion
o ,
but
larger
than,
heavy
machineguns.
ar-
tridges
in
thesecalibers
varywidelyindesignand
performance,rangingfromlow-power
cartridgesthat
differlittlefrom
small-arms
cartridges
exceptin
caliberndrojectileonstruction
o
igh-
performance
ntitankAT)nd
ntiaircraft
AA)
cartridges.
artridges
in
the
20-
to40-mm
range
differrom
mall-arms
artridges
rincipallyn
their
useof
artillery-type
projectiles,frequently
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DST-1160G-514-82-V0L
2
13
September
1982
w i t han
explosive
charge,n s te adofheacke ted
bulleto ns tru c tio nypicalfmall-arms
mmuni-
tion.
n
ommon
w i t h
maller-caliberartridges,
t h e y
lmost
nvariably
ave
ne-piece,
r a wn-
me t a l
artridge
ase;
he
rimer
may
be
ither
a
percussionprimerof
t hetype
usedinsmall-caliber
cartridges
oranartillery
type
electricorpercus-
sionprimerw i t hablack-powderigniter
charge.
e.a r t r i d g esn
his
anger i g i na t edit h
t he
1-inchGa t li ng
machinegun,ntroduced
as
early
as1866,
hich
was
followed
by
1-pounder(approxi-
m a te l y
7-mm)
artridgesf
everal
ypes,ired
ei t h erromandpower-operatedunsuchs
he
Gardner,Nordenfeldt,
and
Hotchkiss
systems
orfrom
single-shot,
uick-firing
uns.
elf-powered
a u t oma t i c
un ,he37-mmMaxim,
ppeared
asearly
as1885.heterm"pom-pom"
wasoriginallyapplied
t o
his
un.
evelopment
inceorldarII
has
been
d i r ec t ed
primarily
t o w ard
improved
a mmuni t i on
foru to m a ticr
ower - oper a t ed
gunsor
aircraft
and
an tiaircraf t
use,w i t h
a
reducedeffort
int he
area
f
artridges
or
emi a u t oma t i c
eapons
or
a c c ur a t e
aimed
fire
against
point
targe ts.
f.
ome
oft he
cartridge
typestha tare
des-
cribed
in
thisguidewereproduced
40or
more
years
ago.
artridgesmade
during
and
even
before
World
War
II
arenot
necessarily
unserviceable
because
of
t h e irage;
if
they
havebeenstoredunderfavorable
c ond i t i ons
oflow
h umi d i t y
and
low- t o- mod er a t e
tem-
perature,ndfhebrasscartridgecasehasnot
become
b r i t t l e
rom
exposure
o
he
mercuric
com-
poundsint heprimerorfrom
improper
a nnea li ng
of
t h e
me tal,t h e y
may
besafetofire,al tho u gh
fuzes
andracers
ay
otunctioneliably.
ervice-
abil i ty
must
e
e t er mi ned
hrough
nspection
and
t e s t i ng
by
qualified
a mmuni t i on
specialists.
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2.rganiza tio n
Thisguidecomprisesfourmajorsections.
a.
ectionIoutlines
t he
scope
ofthis
guide
and
t s
rganization.
t
lsorovideseneral
i nfor ma t i onn
onstruction,
haracteristics,
nd
t e r mi nolog y
of
u to m a tic
gun
am m u ni tio n
hat
ill
aid
in
t heuse
of
this
guide.
b.
ectionII
rovides
ns t r uc t i onsor
he
use
f
his
uiden
he
d en t i fi c a t i onf
ar-
t r idge sfromdimensionalandvisual
data.
c.
ec t i on
III
rovides
eries
fu tl ine
drawings
of
cartridge
cases,a
t a b ula t i on
of
major
cartridgeimensions,nd
rief
e scrip tio nf
each
cartridge
ype
ntermsofit sorigin,
sing
weapons,
rincipal
ountries
f
anu fac tu re
nd
use,
and
current
s ta tu s .
ross-reference
of
infor-
ma t i on
inthese
t h re eareasis
aidedby
t he
useof
anindex
number
tha t
is
assigned
to
eachcartridge
designation.
d-
ec t i on
IVresents
e p re se n ta tivear-
t r idge
d en t i fi c a t i on
at aorachfhe
ajor
countries
tha t
has
produced
ammunition
in
this
cal-
iberrange.
3 .ar tridgeCases
The
primary
featurein
c a r t r i d g e
ide n tif ica tio nis
t he
a r t r i d g e
ase.
t s
hape
nd
imensions,
w hichmust
conform
t ot hechambersizeoft hegun
for
wh i c h
designed,nd i c a t et het y p e
and
probable
m il i tary
ole
f
he
eapon,
h i c h
n
urn
ay
suggest
he
oun t r y
f
rigin
r
he
oli t i c a l
affil ia tio n
(e.g.,Communist,Western,
ThirdWorld)
oft he
user.ey
aspects
of
cartridge-casedesign
and
o ns tru c tio nre
u t li ned
n
he
ollowing
subparagraphs.
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^
.
h e
artridge
asewhich,
ncidentally,
can
accountor
more
han
half
he
we igh t
f
he
c omple t ecartridge)provides
asturdy,
we a the rp ro o f
c on t a i ner
hat
ni t es
herimer,
ropellant,
nd
pr ojec t i le
in toaunit
and
pr o t ec t st h emfromdamage
in
torage,
andling,
nd
oading
r
eeding.
During
firing,t he
case
providesobturation,sealing
t he
breech
end
of
t he
barrel
to
prevent
t he
escape
of
ot
ropellant
asesnt ohe
un
mechanism.
When
u to m a tic
eapons
reired,he
artridge
case
servesan
equally
important
purposein
acting
asa
heat
sink:
t
ex t r a c t sa
significant
por t i on
of
xcess
eat
rom
he
unhamberf t erach
shot,
hus
reducingt he
riskofo ve rhe a ting
t he
gun
and
he
t t e nd a n t
o ssibil i ty
f
r ema t ur e
iring
(cook-off).
b.
o
rovide
esired
erformance
harac-
teristics,
m il i tarycartridge
cases
mustbe
robust;
allref
enterfire
ons t r uc t i on,
it h
ein-
forced
cartridge
case
head
and
a
c en t r a lly
located
primer
tha t
ign i te s
t he
propellant
contained
int he
cartridge
ase.
a r t r i d g e
asesre
made
rinci-
pallyofbrass
ormildsteel(eitherplatedorlac-
quered)
l t h oug h
necentearsluminumases
have
een
sed
ncreasingly.
ases
re
anufac-
turedyunchndie
perations,
ermed
"drawing,"
i t h
heat
reatmento
rovide
esired
m e tal l u rgical
c h a r a c t er i s t i c s .
c.ar tridgease
ypes,
hicherve
functional
purpose
in
t hefeeding,
o si tio ning
for
firing,
ndx trac tio nfheiredaser
he
unfired
artridge,
re
aluable
d en t i fyi ng
features.
or
convenience
in
cartridge
identifica-
tion,
he
cartridge
base
de scrip tio nis
used
as
an
element
nhee scrip tivee signa tio n
f
he
cartridge.hefivebasetypesin
use,
w i t h
their
abbreviations,are
asfollows:
immed(R),
rimless
(no
abbreviation),
emirimmed
(SR),
belted
(B),
and
rebated
RB).
hese
ypes,hichre
h o wn
n
figure1 ,
reescribed
n
he
ollowingubpara-
graphs.
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RIMMED
N
RIMLESS
SEMIRIMMED
BELTED
\
REBATED
Neg.526091
Figure1 .
CartridgeBaseTypes
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(1)immedcartridgecaseshave
rim,
or
ex t r a c t or
lange,
x t e nd i ng
eyondheartridge
body;
heimeatsgainsthereechacend
aids
inex t r a c t i ngt he
fired
case.
heremaybe
a
slight
undercut
or
groove
in
t he
case
body
ahead
of
t herim.
M.
2)
imless
ases
ave
n
x t r a c t i on
groove
n
heaseody,eavingalangethe
base
of
he
case.
he
diameter
ofhisflangeis
t hesameas ,rverycloseto,he
diameter
oft he
cartridge
case
body
ahead
of
t he
groove.
(3)emirimmed
asesave
n
x t r a c t i on
grooven
heaseody.he
i a me t er
f
he
flange
at
he
ase
ase
s
d i s t i nc t l y
largert h an
t he
i a me t er
fhe
artridge
asehead
f
he
groove.emirimmed
aseanedentified
y
laying s t r a i g h t ed g e
along
he
artridge
ody;
district
ap
wi ll
e
o t ed
e t ween
he
ase
ody
andhe
straightedge,ust
ahead
of
t he
ex t r a c t i on
groove.
(4 )
el t edartridge
ases
ave
ro-
nounced
aised
beltaround
t he
cartridge
case
body
aheadoft he
ex t r a c t or
groove.herim
diameter
is
notignificant;t
may
be
greater
than,he
same
as,or
lesst h ant he
belt
diameter.
(5)
eb a t ed
cartridge
cases
have
flange
at
heearof
he
ex t r a c t or
groove;
he
diameter
of
t he
flange
is
d i s t i nc t l y
lessthant hecasebody
diameter.
d.iredartridge
ases
anrovidenfor-
m a tio nnaliber
esignation,ountry
f
rigin,
yearf
anufacture,
nd
rimer
ype.
ases
ay
alsoarry
a r k i ng s
hatndicatehe
odel
nd
functionalype
of
t hefired
projectile.
inally,
examination
of
afiredcase
by
a
weapon
expert
can,
und er
avorableonditions,rovidenformation
as
tot hetype
of
gun
thatfiredt hecartridge.
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4.
rojectiles
a.
rojectiles
n
he0-o
0-mm
ange
follow
he
esign
f
r t i ller y
rojectilesa t h er
t h a n
ofsmall-armsbullets
in
tha t
t h e y
havea
well-
defined
r o t a t i ng
band
and
a
bourrelet
on
t he
projec-
tile
ody
nstead
f ullet
ackethats
engraved
y
he
ifling
n
he
un
arrel.
h e
r ela t i vely
large
mass
(weight)
of
these
projectiles
permits
ore
oph i s t i c a t edesign
nd
omplex
construction,
ailored
or pecific
ype
f
targe tnd
requently
nvolving
nrmor-piercing
pene t r a t or
oran
explosive
fillerwi t hsome
type
of
fuzing.hese
rojectilesre
ntended
rimarily
for
use
against
materiel
t a rge ts
such
asaircraft,
armor,nd
defended
positions;heir
a n t i per s onnel
effectsachieved
principally
byprojectile
rag-
men t s
a t he r
han,
s
or
mallrms,
y
irect
impact.
b.
n
he
e signa tio n
f
unctional
ypes,
projectilesand
hus,
artridgesin
hisaliber
range
also
follow
artillerypractice.
orexample,
acartridgewhose
projectile
containsno
explosive
payload
r
enetrator,
nd
h i c h
n
mall-arms
a mmuni t i on
erminology
would
e
esignated
all
cartridge,
is
normally
termed
a
practicecartridge,
althoughheermallartridgemayccasionally
bencountered.
fhe
rojectile
ontains
tracer,heartridgewill
usually
be
designated
a
practiceracerPT)artridge,ndnly
rarelya
tracer
cartridge.
c.
xplosive
rojectiles
nclude
igh-
explosiveHE )
nd
igh-explosive
ncendiary
(HEI)
rounds;
hea t te r
may
carryatracerandhen
be
termed
HEI-T.
xplosiveprojectiles
haveafuze
of
some
ype
o
ni t i a t ede to na tio n
ofhexplosive
charge;
this
may
bea
po in t-de to na ting
(PD)or
base-
d e t o na t i ng
BD)
ype,
epending
onit s
locationin
t herojectile.
If
heuze
as
elf-destruct
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feature,
o
nitiateetonationnd
hus
destruction
ofhe
rojectile
atapredetermined
time
or
istance
afteriring,he
fuze
willbe
designatedoint
detonating
self-destruct
or
base
detonatingelf-destructPDSD
r
DSD).
uch
fuzesare
frequentlyused
in
antiaircraftfire
or
air-to-air
fireto
ensurethat
a
projectile
that
misses
it s
intended
target
will
detonate
in
t he
air
andnot
land
ina
friendly
area.
elf-destruction
can
also
enitiated
pontracerburnout.
he
tracer
element
is
a
body
of
pyrotechnic
materialin
a
avity
nhease
f
he
rojectile;
he
materialis
ignited
by
the
burning
propellant
and
emits isible
r
mokeraceonablehe
projectilelight
oe
ollowed
nd
ermit
adjustmentfirenhearget.f eat-
sensitivedetonator
s
laced
between
theracer
and
t he
explosive
filler,t
will
beinitiated
as
theracerurns
ut ,
erhaps
econdsfter
ignition,
andthus
detonate
t he
projectile.
d .
inetic-energy,
rmor-defeating
rojec-
tilesnclude
rmor-piercingAP)ndrmor-
piercing-incendiary
API)
rojectiles,hichay
have
tracerand
thus
be
termed
AP-Tand
API-T.
Solid
P
rojectiles
ere
t
ne
ime
ermed
"shot,"
nd
he
erm
AP
hot"
ay
tille
encountered.
fheprojectile
has
n
explosive
filler
and
fuze
(normally
a
base
fuze)
as
well,
it
mayeesignatedrmor-piercing
igh
xplosive
(APHE),
rmor-piercingighxplosivencendiary
(APHEI),r
rmor-piercing
ighxplosive
incendiary-tracer
APHEI-T),
epending
n
ts
construction.
special
type
of
high-performance
AP
rojectile,
it h
maller-diameterore
r
penetratoroftungstencarbide
(abbreviatedWC)
or
tungsten
alloy,
may
be
combinedwithaprojectile
body
that
is
designed
to
separate
from
t hecoreas
soon
ashe
rojectilehas
ef t
he
gun
muzzle.
The
projectile
base
that
is
discarded
is
termeda
"sabot";t he
complete
projectile
istermed"armor-
piercing, discarding sabot," orPDS. When
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Primers
Car tridge sint he
20-t o
40-mm
rangemayuseawide
va r i e t y
f
rimers,
romimple
mall-arms-type
primers
or
ow-performance
artridgeso
omplex
ar til l e ry- typ eprimers.
lec t r i c
primersareused
almost
xclusively
or
ircraft
un
mmunition.
These
types
are
described
in
t he
following
subpara-
graphs.
a.
mall-arms
rimers
ay
efi t h erhe
Boxerort he
Berdan
type.
ox er- t ype
primerscon-
sist
of
a
t h in
me t a l
primer
cup
and
an"anvil"
of
stampedme tal.e t weent heprimer
cupand
anvilis
a
pellet
ofrimer
mi x t ur e
tha t
is
i ni t i a t ed
w he n
t he
primer
isstruckby
afiringpin.
heprimer
is
ns er t ed
nt oaseatn
he
base
of
hear-
tridge.ne
axial
flash
hole
normally
conductst he
flash
o
he
ropellant
nhe
artridge
ase.
Berdanprimersdifferonlyin
h a v i ng
t heanvilmade
as
ermanent
eature
fhe
primer
ocket;he
primerupon t a i ns
nly
herimer
ixture.
Berdan-primed
artridge
asesormally
ave
wo
flashholes,utcases
w i t h
asingleflash
holet o
increase
he
n t e ns i t y
fherimerlashave
beenoundnmall-armsartridges.oxer-nd
Be rdan- typ e
primersareshowninfigure3 .
b.
r til l e ry- typ e
ercussion
rimersre
separate
ssemblieshat
re
i t h er
hreadedr
pressed
in tohebase
of
t he
cartridge
case.
he
primer
ody
ay
on t a i nerely ox er- t ype
r
B er d a n- t ype
rimer
nd
lack-powder
rimer
charge,rt
ayeoreomplex,
nvolving
firinglug
hat
nitiateshe
ercussion
element
and
also
keeps
gas
from
escaping
if
t he
primer
cup
shouldper for a t e
on
firing.
primerof
thistype
isshown
in
figure
4,
viewA.
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FLASHHOLE
CARTRIDGECASE
ANVIL
PRIMER
M IX
PRIMER
CU P
BOXER
TYPE
PRIMER
Neg.
525253
BERDAN
TYPE
PRIMER
Figure
3.
Small-ArmsPrimers
c.n s te adofapercussion
element,l e c tric
primersc on t a i neithera
conductive
primer
mi x t ur e
or
a
bridge
wireembedded
in
t hei g ni t i onmi x t ur e .
A
iring
urrent
normally
4
t o
8
V
DC)
s
conducted
hrough
a
contact
ont he
c a r t r i d g e
base
t ohe
c ond uc t i v e
i g ni t i on
mi x t ur e
or
bridgewire
andre turns
through
t he
cartridge
case
and
chamber
wall.hiscurrent
ignites
t he
primer
m ix tu re
and
initiateshe
propelling
charge.
lectric
primers
may
e
esigned
oe
ressedrhreaded
nt o
cartridge
ases;heyay
eimensionally
interchangeable
it h
ercussion
rimers,uthey
can
be
recognized
by
aring
of
insulating
m a te rial
t h a t
urrounds
he
on t a c t .imple
ype
f
electricprimeris
showninfigure4 ,viewB.
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Y?
PRIMER
C H A R G E
PRIMER
CU P
FIRING
PLUG
PRIMER
BODY
IGNITION
MIXTURE
BRIDGEWIRE
INSULATION
CONTACT
PRIMERBODY
VIEW
A
ARTILLERY
TYPE
PERCUSSION
PRIMER
VIEW B
ELECTRIC
PRIMER
Neg.
526090
Figure
4.rtillery-Type
and
Electric
Primers
6.
ropellant
Dependingon
t he
performance
tha tisexpected,
pro-
pellantsmayvaryfrom
small-arms-type
ballpowder
t ou l tip e rfo ra te
ylindrical
rains.
ingle-base
nitrocellulose
ropellant
redominates.
losely
r ela t ed
o
ropellants
s
heigh-l o w
ressure
system,
designed
t oprovidea
low-pressure
force
of
re l a tive l y
long
du ra tio nt h a t
willimpart
alowt o
moderate
e l o ci ty
oeavy
rojectiles.
his
s
achieved
by
confining
a
small
quan ti ty
of
propel-
lantina
s t r ong
chamber
wi t h i n
t he
cartridge
case
adjacent
oheprimerand
providing
thishamber
w i t h
nly
mall
penings
nt o
hease.
pon
firing,he
propellant
creates
highpressurew i t h i n
t he
n t er i or
hamber;
he
ressure
scapes
t
predetermined
at ent o
heartridge
ase
o
provide
a
ow
but
on t i nui ngpressure
against
he
projectile.
he
d va n t a g es
fhis
rocedure
s
tha t
t he
effectivepressure
against
he
projectile
riseslowly
nd
ever
xceeds
mod er a t eimit,
allowingt he
gunchamber
t o
be
designed
for
amuch
lowerm axim u mpressure
t h an
wouldo t h er wi s ebe
t he
case.igure5
hows
ec t i onf
igh-low
pressure
cartridge.
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L OW P RESSU RE
CH AM BER
HIGH-PRESSURE
C H A M B E R
P RI M ER
PROJECTILE
V E N T
PROPELLANT
CUP
PROPELLING
CHARGE
CLOSING
PLUG
Neg.
526019
Figure
5 .ypicalHigh-Low
Pressure
Cartridge
7 .
artridge
Designation
a.
Cartridge
designation"
denotes
an
identi-
fying
terminology,uniquetoa
specific
cartridge,
that
includes
the
approximate
caliber
of
thepro-
jectile
as
well
as
furtheridentifying
data.
or
convenience,ndecauseanyartridgeslready
have
metric
esignation,
he
metric
ystem
of
cartridge
designationusedin
Volume
1
will
also
be
followedin
Volume
2 .
b he
metric
designation
consists
basically
oftwonumerical
elementsthe
projectile
diameter
and
thecaselengthwhich
are
expressed
in
milli-
meters.
he
firstelement sthe
actual
ornominal
caliber
of
the
projectile,expressedfor
automatic
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13September
1982
gunartridges
ohe
earestillimeter.
he
second
lement
s
he
aseength,
lso
expressed
in
illimeters.
ince
ase
engthsay
ary
y
several
i lli me t er s
ihout
mpairingroperun
operation,his
case-length
figureisrequentlya
nominalr
pproximate
ength.
he
irstnd
second
lemen t s
re
eparated
y
he
e t te r
x ,
w hich
s
ead
s
by."
hus,
he
es i g na t i on
"20x110"
ndicates artridgeit h
rojectile
d i a me t er
f0m
nd ominalasee n g t hf
110mm.o
urther
dis tingu ish
b e t ween
otherwise
similar
artridges,
uffix
e t t e rsddedo
indicate
he
artridge
ase
hape
or
t h e r
han
rimlesscartridges.he
suffix
l e t te rsused
are
as
follows:
forarimmedcase,Rfor
aserairimmed
case, orael tedase,ndBoraebated
case.
he
absenceofasuffix
l e t te rindicatesa
rimless
case.hus,t he
preceding
example,
20x110,
indicates
tha t
t he
caseis
rimless.
20x110
case
w i t h
arebated
case
headisdesignated
as
20xll0RB.
In
hisonenstance,woimlessartridgeshave
t he
same
caliber
and
case
length
but
differ
in
t he
casediameterandcontour.
n
this
guide,ne
of
these
artridges
as
eeniven
he
r b i t r a r y
suffix
USN
odis tingu ishit
from
t hemorecommon
Hispano-Suiza
artridge;
hus,he
es i g na t i on
20x110
USN
is
used.
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SECTION
II
CARTRIDGEIDENTIFICATION
PROCEDURES
1 .
General
Toidentifyanunknowncartridge
or
afiredcar-
tridgecase
withtheaidof
thisguide,all
thatis
needed
is
an
accurate
measuring
device.
inceall
measurementsaregivenin
metric
units,
a
vernier
caliperthat
eads
o
0. 1
mm
s
adequate;
n
an
emergency,
a
metricscalethatreads
to
0.5mmmay
besed.
alipers
r
icrometersraduated
n
incheswillalsoserve,
provided
that
t he
measure-
mentsare
converted
tometric
units.ince
inch
isequalto25.4mm,t heinchmeasurement(indeci-
mals,not
infractionsof
an
inch)is
multiplied
by
25.4
t o
arrive
at
the
metric
measurement.
2 -
Caliber
and
Cartridge
Designation
a .t
has
beennotedthat
cartridge
designa-
tion
is
xpressed
y nominalcaliberandcase
length.
imensionalat a
n
ectionIIIof
his
guide
re
resented
nrder
f
aliber
she
principal
dentifying
actor
nd
hereaftern
orderof
increasing
case
length.
ncethe
projec-
tileiameterndase
ength
or,or ired
case,
hease-mouth
iameter)
f
henknown
cartridge
aveeeneasuredndheypef
cartridge
base
noted,
either
of
two
methods
can
be
followed
to
establish
t hecartridge
designation.
b -or
rough-and-ready"
dentification,
refer
ohe
artridgease
outline
rawings
n
section
III.ook
or artridgeaserawing
with aliberndaseength
designation
hat
matcheshe
nknownartridge
nd
which
has
he
same
type
of
cartridge
head.
The
caselengths
may
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13September1982
notbeidentical,buta
case
outlinecan
usuallybe
foundthat
s
aclose
matchto
t he
unknown
car-
tridge
orcase.
aving
found
a
good
"fit,"
note
thepplicable
artridge
esignation
nd
he
corresponding
ndex
umber.
or
urthernforma-
tion,
referto
section
III,
part
B ,
ofthis
guide,
wheredataontheorigin,
characteristics,anduse
of
this
cartridge
will
be
found
by
reference
to
it s
indexnumber.
c .
or
furtheridentification,
orin
case
of
doubt,
measure
the
cartridge
case
length
as
before;
inaddition,easureheprojectilediameter,
f
one
is
present,
and
t he
case
diameters
att he
fol-
lowing
points:im
(the
rearmost
diameter
oft he
cartridge
ase),aseead
orbelt,or
elted
cartridges),and
casemouth.
sing
t hecaliberand
case
length
askey
dimensions,refer
to
t he
tabula-
tion
of
case
dimensions
in
tableI ,
section
III,to
find
the
cartridge
designation
with
base
type
and
dimensionsthatmatchthe
unknown
cartridge.
he
dimensions
inthis
table
are
representative
measure-
ments;
ndividualartridges,nd
articularly
fired
cases,
ayvary
from
thedimensionsshown.
Although
he
rojectileiameterhould
e
ery
close
to
t heindicatedvalue,t hecaselength
may
vary
y
everal
illimeters
rom
he
imensions
given,
hilediameters
of
hecase
may
beupt o
1millimeter
more
orlessthant he
figures
shown.
3 . Country
andYear of Manufacture
a .
dentification
as
o
country
of
manufac-
ture
must
be
based
onseveralfactors:
hecaliber
designation,
the
headstampmarking,ifpresent,and
anyother
markings
that
may
appear
on
t hefuze,
pro-
jectile,or
cartridge
case.
( 1 )henthe
caliber
designationhasbeen
determined,henformation
rovided
or
hat
cartridge
in partB ,
section
III,
will
suggest
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September1982
countries
hat
ould
ave
anufactured
he
ar-
tridgendliminateromonsiderationther
countries
thatfor
reasonsof
political
allegiance,
or
because
of
he
year
of
production,
ould
not
haveproducedit .
artridgesincalibersusedby
t he
Soviet
Unionmay
be
assumedwi t haveryhigh
degree
of
probability
to
have
been
produced
within
t he
Eurasian
Communist
countries
(ECC),
while
car-
tridges
inusein
t he
Western
countries
can
with
equalprobability
be
attributed
to
anon-Communist
country.
xceptions
ohis
eneral
ul e
exist,
but
suchcartridges
can
be
identified
from
their
markings.
( 2 )heheadstampmarking,takentogether
withothermarkingsthatmaybepresent,rovides
furtherdentification;
he
ypeof
lphabetand
t he
words
and
abbreviationsused
canbe
compared
with
henformationresentednectionIV
f
this
uide
n
haracteristic
artridge-markings
practices
f
he
ajor
artridge-producing
countries
(and
also
wi t h
t he
headstamp
and
markings
data
involI ) .
b.heyearof
production
isusually(butnot
always)
given
in
the
headstampmarking.
talso
appearsrequentlyntampedrtenciled
ot
number
markingsthatmay
be
foundont hecartridge,
projectile,or
fuze.
he
year
maybe
indicated
by
a
wo-digitorfour-digit
umber,nnon-Western
numerals
oriental
r
rabic*),
r
n etter
code.
xamples
f
hesearkings
re
ivenn
section
I V .
*Except
orhe
umerals
nd
,
he
Arabic"
numerals
usedbyWestern
countries
do
not
equateto
those
sed
yrabic-speaking,
ndomether,
countries
(seesecI V ,para
4) .
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4 .unctional
Type
Except
for
theAPDSorAPDS-Tprojectile,
whichhas
a
characteristic
designthatis
usuallyunmistak-
able,
t he
determinationofa
projectile's
function-
al
type
from
it sexternal
appearance
alone
can
be
risky. artridge
it h
ose
uze
hat
s
stamped
wi t h
a
model
designation
must
be
presumed
t ocontain
HE
filler
unlessit s
markings
indicate
beyonduestionhat
he
rojectilesnert-
loaded.heconverse,unfortunately,isnot
true;
t heabsenceofanosefuzecannotbetakentomean
thatt heprojectiledoes
not
containahazardous
filler
f
omeype.rojectilesfypicalAP
construction
mayhaven
xplosive
iller
anda
base
fuze,
while
projectiles
without
a
fuze
of
any
typehatever
ay
ontain ensitive
E
r
hazardous
illeruch
s
hitehosphorus.
definiteidentificationcan
be
made
only
from
the
markings
nd
olor
odeif
resent)
n
he
projectile
r ,
essoften,onthe
cartridge
case.
Unfortunately,thesemarkings
and
colorcodeshave
often
changed
overaperiodof
years;
as
a
result,
they
xist
nuch
roliferation
hat
comprehensiveuide,
overing
ll
ountries
nd
years
of
manufacture,
isnot
feasible.
he
marking
systems
sedodayyhe
ajor
ountries
hat
produceammunition
in
this
caliber
rangearegiven
in
ectionI V .dditional
nformationn
ar-
tridges
made
by
the
United
States
andon
ammunition
useduringorldarIIan
e
ound
n
he
publicationscitedint he
bibliography.
5 .
afetyin
Handling
a.
artridges
nhe0-o
0-mm
aliber
range,
nlike
small-armscartridges,ave
projec-
tileshat,
or
t he
mostpart,ontainHE
and
a
fuze
and
thus
presentasafety
hazard.t
must
be
emphasized
that
nocartridgecan
be
considered
o
have
an
inert-loadedprojectile
nlesstsunc-
tional
ype
as
eenetermined
eyond
uestion
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from
markings
orcolor
coding
tha t
are
correct
for
andapplicable
t oit s
c oun t r y
of
origin
andyearof
manufacture.
venrojectileshatollow
he
US/NATO
colormarkings ys t emandareidentified
by
t heblue
projectile
bodyaspractice
types
may
con-
t a ina
s po t t i ng
chargeor
o t h er
func t i ona l
element
tha t
presents
some
degree
of
hazard.
b.
fany
question
existsas
t o
t he
s a fe t y
of
aprojectileorcartridge,itmustbe
considered
as
possibleUE-loadedand
thus
hazardous,
and
referred
t oanexplosive
ordnance
disposal
(EOD)
unit
or
t o
somet h e r
ualified
gencyor
e te rm ina tio n
f
it sypeandhazard.
n
X-ray
e xam ina tio nbyan
ac tivi tyualifiedoo
his
ork
ill
rovide
info rm a tio nona
projectile's
i n t er na l
c ons t r uc t i on
tha tmayaid
in
it side n tif ica tio nandindicatet he
degree
f
azardhat
t t e nd s
t sandling;
ow-
ever,
an
X-ray
examination
alone
will
not
indicate
t he
specific
type
of
filler.
c
emoval
of
an
unidentified
projectile
from
it s
c a r t r i d g e
case,
rit s
disassembly,
shazard-
ous
and
must
notbe
a t t e m p t e d
by
una u t h or i zed
per-
sonnel.
d-
xplosive
projectiles
hat
have
been
fired
andhave
failedt o
func t i onare
especially
hazard-
ous,ince
t he
fuze
may
be
armed
and
sensitive
t o
shock
orjarring.
his
is
t ru eeven
of
firedpro-
jectilesf
orld
ar
IIintage.iredrojec-
tiles
an
eecognized
y
he
iflingarks
engraved
i n t o
t he
r o t a t i ng
band.
uch
projectiles
should
e
eft
n
lace,
arked
ruarded,
nd
reported
i mmed i a t ely
t opoliceorEOD
personnel
for
disposition.
f
anyquestion
w ha te ve rexists
as
to
it s
azard,he
rojectile
hould
e
onsidered
dangerous
and
reported.
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1982
SECTIONIII
CARTRIDGEIDENTIFICATION
DATA
A.
CARTRIDGE-CASEOUTLINE
DRAWINGS
1 .
eneral
Cartridge-case
outlines
arepresented
in
this
sec-
tion
in
sequence
of
case
length,
s
indicatedby
the
econd
lementf
he
etricesignation.
Thesedrawings
will
be
found
particularlyuseful
foridentifying
fired
cartridge
caseswi t h
dented
ordeformed
mouths,
hichmay
prevent
readymea-
surementof
t he
case-mouth
diameter.
2 .
se
Because
of
space
limitations,
t he
outline
drawings
are
reduced
inscale.
artridge
cases200
mm
and
less
in
length
areshown
at
75%offullsize,
while
casesover
200mmin
length
areshownat
45%
of
full
size.
rovided
that
t hecase
length
isknown
andthe
cartridge
caliber
can
beestimated,hese
drawingscan be
used
for
arapidpreliminary identi-
fication
from
thecaseproportions,
shoulder
taper,
and
cartridgebase
type;
his
identificationwill
frequentlysufficewhenthere
is
littlelikelihood
ofconfusionbetweencartridge
types.
tentative
identification
can
be
confirmed
by
reference
to
t he
dimensional
data
that
appear
in
table
I ,
following
the
utline
rawings.
urther
nformationnd
backgroundat anheartridge'sriginnd
development,ndeapons
nhicht
ssed,
appear
in
part
B
of
section
III.
heindexnumber
thatappears
on
each
cartridge-case
drawing
canbe
used
tolocatea
specificcartridge
in
tableIor
in
section
III,part
B .
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4 0 X 5 3 S R
0 X 4 6 S R
I n d e xo .
I n d e xo .
7 0
7 1
^
1
c
V
4
2 4
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September
1982
2 0 x 8 0 R B
I n d e xo .
2
2 0 x 8 2
I n d e xo .
3
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1982
2 x 9 4
I n d e x
N o
4
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1982
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1982
2 O 1 I I O R B
I n d e xo .
9
2 0 x 1 1 0
I n d e xo .
1 0
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1982
2 0 x 1 1 0
U S N
I n d e xo .
1 1
V
3 7 x 1 1 2 R
i n d e xN o .
4 8
2 0 x 1 1 3
I n d e x
N o .
1 2
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13
eptember
982
/ \
/ '
3 0 x 1 1 3 8
I n d e x
N o .
t
3 7
3 0 X 1 1 4
I n d e xN o .
3 8
2 3 X 1 1 5
I n d e xN o .
2 3
^
s J
\
i
J
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1982
/
2 0 x 1 2 0
I n d e xo .
1 3
\
3 0 X 1 2 3
I n d e x
o .
3 9
2 0 x 1 2 4
I n d e xo .
1 4
V
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September1982
2 0 X 1 2 8
I n d e x
N o .
1 6
3 7 x 1 3 3 R
I n d e xo .
4 9
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3 4
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1982
/
2 4 X 1 3 8
i n d e x
o .
2 5
2 0 X 1 3 9
I n d e x
o .
1 8
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\
2 x 1 4 2
I n d e x
N o
1 9
3 6
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3 7
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2 3 X 1 5 2 B
I n d e x
N o .
2 4
\
3 0 X 1 5 5 6
I n d e xN o .
4 0
i
i
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13September
1982
3 7 x 1 5 5
I n d e xo .
5 3
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30August1985
/
\
30x165
Index
No .
77
40.1
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13September
19B2
2 5 x 1 6 5
I n d e x
o .
2 7
k
3 7 x 1 6 6 R
I n d e xo .
5 4
41
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2
13
September
1982
3 0 X 1 7 0
I n d e x
N o .
4 1
S
3 0 X 1 7 3
I n d e x
o .
4 2
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13
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1982
2 B X 1 8 8 R
lidei
K l .
30X185B
i B d e x o .
4 3
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1982
2 8 x 1 8 8 R
I n d e xo .
3 2
2 5 x 1 9 5 R
I n d e x
o .
2 8
4 4
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2-CHG
1
30
August1985
/
25x180
Index
No .
78
44.1
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Blank)
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13
September1982
3 7 X 1 9 5
I n d e x
N s .
5 5
2
z
2 8 x 1 9 9 S R
I n d e x
N o .
3 3
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2
13
September
1982
\
3 7 x 2 0 2 R
I n d e xo .
5 6
2 5 X 2 0 5 S R
I n d e xN o .
2 9
3 0 X 2 1 0 B
I n d e x
o .
4 4
46
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September1982
/
\
2 5 x 2 1 8
I n d e x
o .
3 0
30X210
I n d e xN o .
4 5
3 7 x 2 2 2 S R
I n d e x
o .
5 7
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September1982
3 7 x 2 2 3 R
I n d e x
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B.
DIMENSIONAL
ANDREFERENCEDATA
3. imensional
Data
a.ableIprovides
dimensional
data
oneach
of
he
artridgesovered
n
his
uide.
ar-
tridges
re
is te dnrderf
heir
ncreasing
caliber
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by
increasing
case
length
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cali-
ber.heindex
number
aidsin
rapid
cross-indexing
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t hecase
outline
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in
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2.
b.imensions
ndicated
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or
rim
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A
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RIMMED
CARTRIDGECASE
RIMLESS,
SEMIRIM,
R
R E B A T E D
CARTRIDGE
ASE
{--
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:y
B E L T E D
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CASE
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