A 30-round magazine compatible with 5.56 NATO/.223 Rem. Caliber, tailored to fit Ruger SR-556, AR-556, and other AR-style firearms. This magazine is proudly manufactured in the USA by C products defense, boasting an enhanced design featuring a two-part body crafted from stainless steel, robotically welded to meticulously control crucial dimensions for precise Mag well fitment. Each magazine receives a black Teflon coating to guard against corrosion and heighten durability. The stainless steel spring and orange anti-tilt follower are meticulously engineered to amplify feeding reliability. C products Defense's commitment to quality is evident through their 100% replacement guarantee. It's important to note that 30-round magazines may not be accessible in all states and regions. Ruger is restricted from billing or shipping 30-round magazines to the following states and cities California, Colorado, Connecticut, Delaware, Hawaii, Illinois, Maryland, Massachusetts, new Jersey, new York, Rhode Island, Vermont, Washington state, and Washington DC.