The Amend2 Flat Dark Earth (FDE) 10 round magazine is a sturdy, reliable 5.56x45 NATO (.223 Remington) AR15/M4/M16 magazine made of advance polymer material. It is a light, durable and excellent alternative to the standard M4/M16 USGI aluminum magazine. The 10 round body profile is ideal for hunting, bench shooting or the various states where capacities are limited by law. Sturdy Impact resistance polymer with textured grip Anti-tilt super follower Heavy duty, non-memory, and non-corrosive stainless steel spring Made in the U.S.A. Material able to Cerakote