A military small & medium caliber ammunition collection

20 x 110mm HS United States

20 x 110mm HS Break-Up  United States 20MM M21A1 WBA 1951 profile view.20 x 110mm HS Break-Up  United States 20MM M21A1 WBA 1951 head view.

Details

TypeBreak-Up
Projectileplastic, iron dust filled, olive drab, 1 plastic driving band
Casebrass
Primerpercussion, flat, brass, ring crimp
Headstamp20MM M21A1 WBA 1951