Warfighter Armory Key-Arma AR-15 30-Round Polymer Magazine, 5.56/.223, Black The Warfighter Armory Key-Arma AR-15 magazine is a black, 30-round magazine for 5.56x45mm NATO and .223 Remington. Its reinforced polymer body and double-stack configuration identify the construction and cartridge arrangement. Key-Arma manufactures the magazine in Turkey, and Warfighter Armory's product page identifies the manufacturer part number as KEY-804. The magazine uses the standard AR-15 magazine pattern, making that interface the important fitment consideration for a compatible rifle. Its steel spring works with the follower and feed geometry to present cartridges through the magazine. A 30-round capacity states how many cartridges the magazine holds. The reinforced polymer body provides the outer housing, with a black exterior that keeps the appearance straightforward. Key Features 30-round capacity: Holds 30 cartridges in the specified 5.56/.223 configuration. Reinforced polymer body: Forms the magazine's outer housing. Steel spring system: Works with the follower to advance the cartridge stack. AR-15 pattern: Designed around the standard AR-15 magazine interface. Specifications Manufacturer: Key-Arma Manufacturer part number: KEY-804 Caliber: 5.56x45mm NATO / .223 Remington Capacity: 30 rounds Body: Reinforced polymer Color: Black Configuration: Double stack Compatibility Designed for compatible firearms that accept standard 5.56/.223 AR-15-pattern magazines. Shop the black Warfighter Armory Key-Arma 30-round AR-15 magazine at BattleHawk Armory.