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20 x 110mm HS United States

20 x 110mm HS Fired United States 20MM M21A1 WBA 1952 profile view.20 x 110mm HS Fired United States 20MM M21A1 WBA 1952 head view.

Details

TypeFired
Projectile[none]
Casebrass, stab crimp
Primerelectric (fired), flat, brass, ring crimp
Headstamp20MM M21A1 WBA 1952
NotesWBA is West Bend Aluminum Corp., West Bend, Wisconsin, USA.