Combining clear, lightweight, steel-reinforced polymer construction with a cranking handle and a convenient carry case, the KCI® AR-15 .223/5.56mm 50-Round 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
