A military small & medium caliber ammunition collection

20 x 102mm United States

20 x 102mm Dummy M51A1B1 United States  profile view.20 x 102mm Dummy M51A1B1 United States  head view.

Details

TypeDummy, M51A1B1
Projectilesteel, zinc chromate, 1 steel driving band Projectile Markings: (stamped) 20 MM DUMMY M51A1B1 (black ink) LC-61-1
Casesteel, choke crimp, cadmium plated
Primerblind, brass
Headstamp[none]