The Amend2 Mod-2 magazines are a sturdy and reliable polymer magazine specifically designed for the AR-15/M4/M-16 platform. The magazine is made from a sturdy impact resistant polymer with a textured grip. The Anti-tilt super follower and heavy duty non-memory/non-corrosive stainless steel spring will aid in reliable feeding and smooth operation. The magazines are made right here in the USA and the special material means that you can even Cerakote these magazines to match your firearm.