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 links to maintain a balanced center of gravity while firing. Featuring 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.

Disclaimer: Warranty will be VOIDED if the customer disassembles the drum magazine! This drum magazine is designed to be used with FMJ ammunition. Green Tip, Hollow-point, or other specialty ammunition may cause feeding malfunctions.

Note: The drum magazine is designed for use with forged Mil-Spec lower receivers.  Billet or specialty lower receivers with flared mag wells may not be compatible.