X-15 50 Round Drum for AR-15 .223/556, The X-15 is a 223/556 & 300 Blackout caliber 50 round single stack compact drum designed for AR-15, M16 rifles. The magazine easily loads and unloads by operating the front hand wheel.

Designed to operate in automatic and semiautomatic applications, it employs a larger hand-wheel and double spring for increased reliability. Unique to this magazine's design is a patent pending feed device that allows the magazine to run massive spring pressures without effecting the firearm's bolt operation. The durable body is constructed entirely of aluminum; and finished in a friction reducing ceramic coating. All internal and operating assemblies are made of black oxide steel and aluminum. Comes with a lifetime warranty and includes an instruction manual.