A military small & medium caliber ammunition collection

20 x 102mm United States

20 x 102mm TP T199 United States  profile view.20 x 102mm TP T199 United States  head view.

Details

TypeTP, T199
Projectilesteel, aluminum windscreen, black, 1 copper driving band Projectile Markings: (white ink) 20MM PRACTICE T 199 LC-3-15 Driving Band Markings: *HVM-20-45 54 20MM T283E1*
Casebrass, knurled choke crimp
Primerelectric, flat, brass, ring crimp
Headstamp[none]