7-6
20 MM M103
CASE MANUFACTURERS LOT NUMBER
LOT NUMBER
20 MM PGU-
/B
CARTRIDGE DESIGNATION
END ITEM CARTRIDGE LOT NUMBER
EXTRACTOR
GROOVE
RIM
HEAD
PRIMER
POCKET
SHOULDER
NECK
MOUTH
A
B
BASE
B- CARTRIDGE LOT NUMBER
A- CASE LOT NUMBER
AOf0706
LOT NUMBER
Figure 7-6.—M103 brass cartridge case and markings.
PRIMER
PROPELLANT
CARTRIDGE CASE
PROJECTILE
NOSE PLUG
AOf0707
Figure 7-7.—PGU-27/B Target Practice Cartridge.
