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20 x 102mm United States

20 x 102mm HEI-T (Self Destruct) ARES United States profile view.20 x 102mm HEI-T (Self Destruct) ARES United States head view.

Details

TypeHEI-T (Self Destruct), ARES
Projectilesteel, aluminum fuze, 1 nylon driving band
Casebrass, choke crimp Markings: (black ink) 20MM M103 NEC 5-52-76
Primerpercussion, rounded, brass
Headstamp[none]
NotesExperimental cartridge with low-drag projectile made by ARES Inc. (Eugene Stoner) for a proposed air-defense system. Projectile body is empty. The solid aluminum fuze has a small rubber tip.