This is an ALUMINUM 30-round magazine for AR-15 rifles in .223 Remington, or 5.56mm NATO.
D&H Tactical aftermarket magazines transcend the industry standard for AR-15/M4 magazines. Thanks to their cutting-edge robotic manufacturing technology and commitment to using only the highest quality All-American materials, D&H delivers the ultimate magazine—every time. Lightweight, affordable, and manufactured 100% in the U.S.A. D&H magazines are made from 6061 T6 aluminum, 17-7PH stainless springs pre-compressed and passivated for ultimate consistent performance and long service life. The Magpul Enhanced Self-Leveling Follower is a drop-in replacement for the aluminum D&H 30-round magazine black or green follower. The Enhanced Self-Leveling Follower is made from a non-hygroscopic and self-lubricating polymer. Featuring a patent-pending 4-way anti-tilt design for increased feeding reliability.