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A military small & medium caliber ammunition collection

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20 x 102mm United States

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

Details

TypeTP, ARES
Projectilesteel, aluminum windscreen, blue, 1 nylon driving band Projectile Markings: (white ink) WM 356 PDATPQ
Casebrass, choke crimp Markings: (black ink) 20MM M103 NEC 5-48-76
Primerpercussion, flat, brass, ring crimp
Headstamp[none]
NotesExperimental cartridge with low-drag projectile made by ARES Inc. (Eugene Stoner) for a proposed air-defense system.