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20 x 110mm HS United States

20 x 110mm HS TP United States 20MM M21A1 NS 51 profile view.20 x 110mm HS TP United States 20MM M21A1 NS 51 head view.

Details

TypeTP
Projectilesteel, aluminum windscreen, black, 1 copper driving band Driving Band Markings: GMI-1-129-53-20MM M99
Casebrass
Primerpercussion, flat, brass
Headstamp20MM M21A1 NS 51
NotesThis may be a reload.