A military small & medium caliber ammunition collection

5.56 x 45mm United States

5.56 x 45mm Ball  United States F A 6 9 profile view.5.56 x 45mm Ball  United States F A 6 9 head view.

Details

TypeBall
ProjectileFMJ, GM, 1 knurled crimping cannelure
Casealuminum, taper crimp
Primerpercussion, flat, brass, ring crimp
HeadstampF A 6 9