The KCI USA AR-15 5.56 100rd Drum Magazine is designed for AR-15 pattern firearms chambered in 5.56x45mm or .223 Remington. The drum feeds alternately from the left and right sides using two independent follower belts to maintain a balanced center of gravity while firing. Features steel-reinforced feed lips for added durability and reliable feeding.

This package includes the KCI USA 100 Round Drum, Operator’s Manual, Carrying Pouch, Graphite Lubricant, and Loader. This magazine is designed to be ONLY used with FMJ ammunition. Hollow-point, Soft Point, or other specialty ammunition may cause feeding malfunctions.

Please note: this drum magazine is designed to work with Mil-Spec forged lowers, and may not work with some billet or specialty lower receivers with flared mag wells. KCI’s Lifetime Warranty is VOIDED if the customer disassembles the magazine.