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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 Grenade Blank United States R A 6 4 profile view.5.56 x 45mm Grenade Blank United States R A 6 4 head view.

Details

TypeGrenade Blank
Projectile[none]
Casebrass, 6-petal crimp, clear wax sealant
Primerpercussion, flat, brass, ring crimp
HeadstampR A 6 4