A military small & medium caliber ammunition collection

20 x 102mm United States

20 x 102mm Dummy M51A2 United States  profile view.20 x 102mm Dummy M51A2 United States  head view.

Details

TypeDummy, M51A2
Projectilesteel, 1 steel driving band Projectile Markings: (black ink) LC-88K273-033 (stamped) 20MM DUMMY M51A2
Casesteel, choke crimp, cadmium plated Markings: (black ink) ????M103A1 ???
Primerpercussion, flat, brass, ring crimp
Headstamp[none]