Ruger SP101 357 Magnum 3in Stainless Revolver - 5 Rounds - The Ruger SP101 is among the most powerful small-frame revolvers on the market and is engineered for solid performance. The triple-locking cylinder is locked into the frame at the front, rear, and bottom for more positive alignment and dependable operation shot after shot. Featuring a recoil-reducing grip, the SP101 is comfortable to shoot and perfect for personal defense or field use.