H&K MR556 Rifle Magazine Black Steel 5.56mm 10/rd

Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon, the Heckler & Koch 10-Round Steel Magazine can be used in any firearm that uses a NATO-standard 5.56 mm magazine. The 10-Round Steel Magazine features a well-executed design; select materials, special anti-friction maritime surface finish, advanced spring material, attention to production tolerance, and steel magazine housing and follower.