A military small & medium caliber ammunition collection

20 x 102mm United States

20 x 102mm TP M55A2 United States  profile view.20 x 102mm TP M55A2 United States  head view.

Details

TypeTP, M55A2
Projectilesteel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) 20MM BALL M55A2 LCA-SA-2-58 Driving Band Markings: *LC-4-1*58*20MM*M58A2*
Casebrass, choke crimp
Primerelectric, flat, brass, ring crimp, red annulus
Headstamp[none]