1000 .223 / 5.56 NEW Primed Brass Cases X OUT AMMO - $220 Win 41

1000 Cases Primed with Win 41 primers. MAST brass cartridge cases consisting of a copper alloy (70% copper and 30% zinc) are manufactured to NATO and other international standards. The manufacturing processes include; cupping, drawing, heat treatments, machining, tapering and stress relief.

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