Ruger SP101, Double/Single Action, Revolver, Small Frame, 357 Magnum, 3 Barrel, Stainless Steel, Satin Finish, Silver, Black Rubber Grips with Polymer Inlay, Black Ramp Front and Fixed Rear Sights, 5 Rounds, KSP-331X 05719 The Ruger SP101 Revolver is the perfect companion. The cushioned rubber grip with a black or hardwood insert has no exposed metal in the backstrap, making it extremely comfortable and the patented grip frame easily accommodates a variety of custom grips. The patented transfer bar mechanism provides an unparalleled measure of security against accidental discharge. Its triple-locking cylinder is locked into the frame at the front, rear and bottom for more positive alignment and dependable operation shot after shot.