The American Rifle Company Coup De Grace Receiver Wrench is for use only with Coup De Grace bolt action rifles. InstructionsRemoval of bolt stop and ejector is not necessaryInsert wrench into receiver - the threaded hole faces 6 o'clockAlign the threaded hole in the wrench with the forward receiver screw holeThread the provided set screw into the wrench to confirm the wrench is located correctly - this screw does not engage the threaded hole in the receiverTorque to ~100 ft-lbs; do not exceed 150 ft-lbsRemove the set screw and wrench from the receiver