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A military small & medium caliber ammunition collection

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20 x 102mm United States

20 x 102mm API T221E3 United States profile view.20 x 102mm API T221E3 United States head view.

Details

TypeAPI, T221E3
Projectilesteel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) 20MM API T221E3 INERT KOP-SA-56-57 Driving Band Markings: - ALI - LOT - 5 - 14 - 57-20MM T32E3-
Casebrass, choke crimp Markings: (stamped) INERT
Primerelectric, flat, brass, ring crimp, red annulus
Headstamp[none]
NotesThis is a factory inert round with an inert case filler and one small hole drilled in the primer.