Magpul Industries Enhanced AR Magazine Release, Fits Most 5.56 and 7.62 AR Patterned Rifles, Aluminum Construction, Black MAG568-BLK The Magpul AR Enhanced Magazine Release provides an enlarged contact surface for quick and fumble free magazine changes. With easy bolt-on installation with no gunsmithing required" the Enhanced AR Magazine Release is made of Mil-Spec hard anodized aluminum to provide durability and light weight. Made in U.S.A.