Featuring steel-reinforced feed lips and an advanced polymer over-molded body, the KCI AR-15 .223/5.56mm 100-Round Gen 2 Drum Magazine is a tried and true drum magazine, specifically engineered for volume target shooters and tactical shooters alike. Combining clear, lightweight, steel-reinforced polymer construction with a cranking handle and a convenient nylon carry case, this drum magazine is an affordable high-capacity magazine, designed to deliver exceptional durability and lasting corrosion resistance in virtually any environment. A heat-treated chrome silicon wire spring and injection-molded polymer follower work together to ensure smooth, reliable operation in high-stress tactical environments. Better yet, this magazine is compatible with any standard AR-15 lower receiver for versatile field performance, while the precision-engineered feed lips offer a snug fit for added reliability.