End Barrel Laser for .22LR/ .223Rem/ .38SPL,9MM/ 17HMR .177CAl,Laser Bore Sight with 2 Set of The Batteries, Laser BoreSighter for Pistol, Rifle & Air Guns

【Improve Accuracy】: This barrel laser sighter sighting range of the bore sight is 15 to 100 yards, providing a precise reference for zeroing in on your target. help you zero-in your optic, scopes or iron sights quickly and accurately.
【Precisely Fit & Efficiency】: The laser bore sight kit installs in the barrel, projects a laser beam from the center of the bore axis, doesn't hurt the barrel. It is very accurately.
【Powerful Red Laser】: Laser class: IIIa. Max. Output Power:＜5mW. It will emits a powerful and clear laser beam, and bright providing hight visibility when looking through your scope or sights for up to 100 yards.
【Upgranded 6 Batteries】: Our Laser Boresigther Comes with 2 sets UPDATED Batteries (LR626 Batteries) which can last one and half an hour,gives you plenty of time to properly sight in your zeroing optics or sights.
【Easy to Use】: 1 *Barrel Laser Sight , 6 *LR626 Batteries, 3* Spare O-ring. and our 24 hours friendly customer support