Amend2 556MOD2FDE30: The Amend2 30 round magazine is a sturdy, reliable 5.56x45 NATO (.223 Remington) AR15/M4/M16 magazine made of advanced polymer material. It is a light, durable and excellent alternative to the standard M4/M16 USGI aluminum magazine. Magazine features a sturdy Impact resistance polymer body with textured grip, anti-tilt super follower, heavy duty, non-memory, and non-corrosive stainless steel spring and is made in the USA. These are in the highly popular Flat Dark Earth color.