Amend2 AR-15 Clear 5.56mm NATO Rifle Magazine - 30 Rounds - The Amend2 30-round magazine is a sturdy, reliable 5.56x45 NATO (.223 Remington) AR15/M4/M16 magazine made of an advanced polymer material. It is a light, durable, and excellent alternative to the standard M4/M16 USGI aluminum magazine. Features 30-round magazine. Sturdy, impact-resistant polymer with textured grip. Anti-tilt super follower. Heavy-duty, non-memory, and non-corrosive stainless steel spring. Made in the U.S.A.