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A military small & medium caliber ammunition collection

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20 x 102mm United States

20 x 102mm TP United States profile view.20 x 102mm TP United States head view.

Details

TypeTP
Projectilesteel, aluminum windscreen, black, 1 copper driving band Driving Band Markings: (stamped) GMI-1-4-53-20MM-T61E1
Casealuminum, knurled choke crimp, yellowish gold anodized and graphite coated
Primerelectric, flat, brass
Headstamp[none]