.44 Magnum. 6.5" ribbed barrel with partial underlug. SN: S153620. Blued finish, matted top strap and barrel rib, color casehardened trigger and hammer, Smith & Wesson medallion smooth wood grips. Double action swing out cylinder revolver six-chambered fluted cylinder, adjustable white U outline rear sight, ramped front sight with orange insert, .5" wide checkered hammer spur and .5" wide grooved trigger. Standard Smith & Wesson markings, matching serial numbers on frame, rear of cylinder and in ejector rod groove of lug. Matching mating number 71204 on frame and crane.