Crimson Trace Corporation LaserGrip Fits Glock 17/19 Black LG-417 LASER GRIPS GLOCK A(R) HARD POLYMER w/OVERMOLDED FRONT ACTIVATION a Grip-integrated laser sight a Instinctive activation ergonomically-located pressure switch a W/E adjustments a Master On/Off switch shuts down power completely a Molded to exactly fit firearm frame a Includes: batteriesDISCLAIMER: This product is not manufactured authorized endorsed or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.