Pachmayr Grip, Gripper, Fits S&W J Frame Round Butt with Finger Grooves, Black 3249 Pachmayr Gripper grips are made from a specially formulated rubber compound which optimizes control and recoil absorption. The finger groove style is popular for combat shooting and hunting. A covered backstrap and slight palm swell fills the hand but is not so large as to be uncomfortable. Gripper grips are fully checkered for appearance as well as for control.