A military small & medium caliber ammunition collection

20 x 102mm United States

20 x 102mm HEI M56A4 United States  profile view.20 x 102mm HEI M56A4 United States  head view.

Details

TypeHEI, M56A4
Projectilesteel, steel fuze, yellow with red band, 1 copper driving band Projectile Markings: (black ink) A-0-2-11-81 M56A4
Casebrass, choke crimp, 1 hole Markings: (black ink) 20MM M103 ACN 85E006-016
Primernone, brass
Headstamp[none]
NotesThe projectile is empty and the fuze has no internal components.