A military small & medium caliber ammunition collection

5.56 x 45mm United States

5.56 x 45mm Ball  United States R A 6 5 profile view.5.56 x 45mm Ball  United States R A 6 5 head view.

Details

TypeBall
ProjectileFMJ, GM
Casebrass
Primerpercussion, flat, brass, ring crimp, red annulus
HeadstampR A 6 5
NotesThis is reported to be an experimental bullet. The projectile has a sharper-than-normal ogive and no seating cannelure.