The ETSA(R) C.A.M. Rifle Magazine Loader makes loading your rifle magazines fast and easy, all while protecting your thumbs from injuries or fatigue. Constructed of a durable, long-lasting polymer, this magazine loader is compatible with most rifle magazines for maximum versatility, while the non-marring surface protects magazine feed lips from damage. Plus, this portable loader allows you to load directly from an ammo tray or with loose ammo for faster, more reliable reloading! Compatible with single- and double-stack centerfire rifle magazines.