A military small & medium caliber ammunition collection

20 x 102mm United States

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

Details

TypeTP-T, ARES
Projectilesteel, aluminum windscreen, blue with red Ts, 1 nylon driving band Projectile Markings: (white ink) SNT PDA TP QUAL
Casebrass, choke crimp Markings: (black ink) 20MM M103 NEC 7-10-77
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.