KCI AR-15 100RD Drum Magazines (2-Pack) – 5.56x45mm / .223 Rem
This set includes two KCI 100-round drum magazines for AR-15 pattern firearms chambered in 5.56x45mm NATO / .223 Remington. The dual-drum design feeds alternately from the left and right sides to help maintain a balanced center of gravity during operation.
Each drum features a polymer/steel construction with steel-reinforced feed lips and a music-wire spring. Magazine covers are included.