The Ruger SP101 revolver features a smaller Ruger cushioned grip system with no exposed metal at the back strap for shooter comfort. The patented triple locking cylinder mechanism securely locks the cylinder into the frame at the front, rear, and bottom. Its stainless steel frame has no weakening side plates. This model has a 4.2 stainless steel barrel, frame, and cylinder. It also has a black rubber grip with an engraved wood insert and fiber optic and adjustable rear sights.