This new Smith & Wesson M&P R8 (170292) revolver fires the .357 magnum round. It has a 5" barrel with an overall black finish. This 8 shot revolver has rubber grips, adjustable rear sights, and an under barrel rail. It has been drilled and tapped for a scope rail. It comes with moon clips, lock, a scope rail, and a hard case. This is a Performance Center revolver.