The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO) is a rimless bottlenecked intermediate cartridge. Though they are not entirely identical, the 5.56×45mm NATO cartridge family was derived from and is dimensionally similar to the .223 Remington cartridge designed by Remington Arms in the early 1960s.
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HORNADY FRONTIER-5.56X45MM NATO 500 Rds
Original price was: $400.00.$325.00Current price is: $325.00. -
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MAGTECH 5.56X45MM NATO AMMUNITION BRASS CASING 500 ROUNDS
Original price was: $400.00.$300.00Current price is: $300.00. -
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PMC 5.56X45MM NATO AMMUNITION X-TAC 1000 Rds
Original price was: $600.00.$429.00Current price is: $429.00. -
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WINCHESTER 5.56 NATO AMMUNITION 500 ROUNDS BRASS CASING 500 Rds
Original price was: $400.00.$350.00Current price is: $350.00. -
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WINCHESTER 5.56X45MM M855 500 Rds
Original price was: $400.00.$375.00Current price is: $375.00.