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20 x 110mm HS United States

20 x 110mm HS TP United States G.M.S. 1943 20MM M21A1 profile view.20 x 110mm HS TP United States G.M.S. 1943 20MM M21A1 head view.

Details

TypeTP
Projectilesteel, black, 1 copper driving band Projectile Markings: (stamped) LOT GP 3 8 43
Casebrass, knurled choke crimp
Primerpercussion, flat, brass, ring crimp
HeadstampG.M.S. 1943 20MM M21A1