Ruger SP101 357 Magnum 2.25in 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. Patented Grip Frame Design Transfer Bar Mechanism Cushioned Rubber Grip Triple Locking Cylinder Easy Takedown View all Ruger SP101.