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A military small & medium caliber ammunition collection

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20 x 102mm United States

20 x 102mm HEI M56A3 United States profile view.20 x 102mm HEI M56A3 United States head view.

Details

TypeHEI, M56A3
Projectilesteel, steel fuze, yellow with red band, 1 copper driving band Projectile Markings: (black ink) 20MM HEI M56A3 OL-84L0045005 RNO84E010-007 M56A4
Casebrass, choke crimp Markings: (black ink) 20MM M103 ACN84J004-910
Primerelectric, flat, brass, ring crimp
Headstamp[none]
NotesProjectile is empty and fuze has been inerted.