556MOD2ODG30 30 Rounds .223 Remington/5.56 NATO Light Durable Alternative to Standard Aluminum USGI Magazines 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 be Cerakote'd Made From Advanced Polymer Material Olive Drab Green Fits: Standard Pattern AR-15 Mil-Spec Lower Receivers