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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 Tracer United States REM-UMC 223 profile view.5.56 x 45mm Tracer United States REM-UMC 223 head view.

Details

TypeTracer
ProjectileFMJ, GM, red tip, 1 knurled crimping cannelure
Casebrass, taper crimp
Primerpercussion, flat, nickel, ring crimp, red annulus
HeadstampREM-UMC 223
NotesPart of a Remington sample lot for Frankford Arsenal engineering study.