What s in the Box Ruger SP101 357MAG Double Action Revolver Cable Lock Spent Casing Owner s Manual You Can Never Be Too Prepared. The Ruger SP101 revolver boasts the strength to handle the powerful 357 Magnum cartridge in a controllable, small-framed double-action revolver. Among the most powerful small-frame revolvers on the market, they are engineered for solid performance. Featuring a recoil-reducing grip, the SP101 is comfortable to shoot and perfect for personal defense or field use. Strong and reliable shot after shot, all SP101 revolvers have solid steel sidewalls (no side-plates), making them rugged, reliable, and dependable. You can count on the SP101 when you need it. Firearm Specifications Manufacturer: Ruger Model Number: 5771 Caliber: 357 Mag Material: Stainless Steel Finish: Satin Stainless Front Sight: Fiber Optic Rear Sight: Adjustable Barrel Length: 4.20 in. Overall Length: 9.12 in. Weight: 29.50 oz. Grips: Black Rubber, Engraved Wood Twist: 1:16 RH Grooves: 5 Capacity: 5