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A military small & medium caliber ammunition collection

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20 x 102mm United States

20 x 102mm Fired United States profile view.20 x 102mm Fired United States head view.

Details

TypeFired
Projectile[none]
Casesteel, cadmium plated Markings: (black ink) 20MM M103A1 RNO-21-9-74
Primerelectric (fired), flat, brass, ring crimp, red annulus
Headstamp[none]