This modern interpretation of the Model 1858 brings a new dimension to black powder revolvers. The 12" octagon barrel and adjustable sights makes the Bison Model different from all the rest. This revolver has a blued barrel, brass frame, brass guard, and walnut grip. It is .44 caliber and has adjustable target sights. This revolver is 17" in length and weighs 2.75 lbs.Features12" blued octagon barrelWalnut gripBrass frame and guardNo. 10 or 11 percussion cap