Tapco Intrafuse 5rd AR 5.56mm Gen II Magazine, Black: * Spring is made out of premium 17-7 stainless steel * Redesigned shape makes it smoother, quieter and easier to load all 5 rounds * Holds 5 rounds of .223/5.56mm ammunition * Has a dark earth anti-tilt follower * Premium 17-7 stainless steel spring * Reinforced composite magazine body and floorplate * Material content: composite