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A military small & medium caliber ammunition collection

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.50 BMG United States

.50 BMG Proof M1 United States F A 45 profile view..50 BMG Proof M1 United States F A 45 head view.

Details

TypeProof, M1
ProjectileFMJ, GM, black tip, 1 smooth crimping cannelure
Casebrass, taper crimp, tin plated
Primerpercussion, flat, brass, 3-stake crimp, purple annulus
HeadstampF A 45
NotesExperimental proof round using M2 AP projectile.