Strike Industries AR Magazine Catch - Blue - The Strike Billet Magazine Catch Assembly features a billet magazine release button. Sculpted from a solid piece of 6061 aluminum, the button offers a functional and aesthetic upgrade to your AR. Deep serrations and ergonomic shape facilitates positive engagement and identification even in the dark or adverse conditions. Features: Textured for positive feel and manipulation; Solid billet aluminum construction; Functional and aesthetic upgrade; Magazine Release Button: 6061T6 aluminum button; Enhanced Magazine Catch: Steel