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, blue, 1 copper driving band Projectile Markings: (black ink) 20 MM TP M55A2 LC-22-675 Driving Band Markings: *HA 1-16 65 20MM M55A2*
Casebrass, choke crimp Markings: (black ink) 20MM M103 RNO-
Primerelectric, flat, brass, ring crimp, red annulus
Headstamp[none]