GrovTec Hammer Extensions provide a larger contact surface and outstanding grip and control. Constructed of sturdy steel, these extensions are especially useful in scoped guns where clearance is an issue and it may be difficult to cock the hammer. May be mounted from either the right or left side. Wrench, screws, and installation instructions included. Intended for Browning BLR 1992 -1995 Not for use on folding hammers.