Odin Works 9mm Luger AR9 Pistol Barrel - 5in - Silver - A blast to shoot, Odin's new 9mm 5in barrel will take your AR pistol game to a whole new level. Made from quality 416R Stainless Steel and machined in-house to their strict specifications, this barrel out performs even its toughest competitors. Worried about feed issues? Don't. Their calibrated chamber ramp guarantees effortless shooting. Whether you want to run a short barrel with their 4in forend or tack on a suppressor and a tad longer hand guard, you the choice is yours and you cannot go wrong. Made Of 416 Stainless Steel Hand-Lapped Twist: 1: 10 Method: Button Threading: 1/2-28 Profile: Medium Compatible With Colt Or Glock Lowers