Amend2 556MOD2BLK30: 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.This SKU Represents The 10 Pack... 10 Individual Commercially Packaged 30 Round Magazines Mags. Receive 10 Mags For One Money With This Deal.