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A military small & medium caliber ammunition collection

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5.56 x 45mm United States

5.56 x 45mm Ball XM777 United States L C 7 6 profile view.5.56 x 45mm Ball XM777 United States L C 7 6 head view.

Details

TypeBall, XM777
ProjectileFMJ, GM, black tip, 1 knurled crimping cannelure
Casebrass, taper crimp
Primerpercussion, flat, brass, ring crimp, black annulus
HeadstampL C 7 6
NotesThis round has a small steel penetrator in the tip.