New Crimson Trace LG 415 Red Laser Grips FOR RUGER LCR & LCRX One Size:Black By implementing their patented ConneXion HELPS HEAL YOUR HEEL By implementing their patented ConneXion technology that ensures zero negative vibration in the hands Jose Bautista Pro Model Pro Grade Maple Wood Bone Rubbed Thick Handle Traditional Knob Cupped End No Warranty but is fully user adjustable for Windage and Elevation with provided tool FITS: Ruger LCR and LCRx Revolvers RUNTIME: 4 hours of battery life that runs on (2) 2032 batteries (included) EASE OF USE: Front activation button engages the laser immediately when the firearm is held in a normal firing grip this model features a master ON OFF switch for completely powering down the unit user installed no gunsmithing required RELIABLE: Factory sighted at 50 feet