Bulk 5.56x45 Ammo

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Used in the M4 series and other military-style rifles, the 5.56×45 Ammo is a hugely popular cartridge. To shop 5.56 in bulk, check out our Bulk 5.56×45 Ammo¬†page. Besides military uses, 5.56 ammo is commonly used in competition firearms, home defense applications, and is replacing shotguns in many police cruisers.