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A military small & medium caliber ammunition collection
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Cartridge Details
20 x 102mm
United States
Details
Type
Dummy, XM254
Projectile
plastic, white, 1 plastic driving band
Projectile Markings:
(black ink) 20MM DUMMY XM 254 POH-1-4-74
Case
plastic, steel head, choke crimp, white
Primer
no primer pocket
Headstamp
[none]