Laser BoreSighter Bore Sight kit Multiple Caliber, Laser Sight with Button Switch for .177 to .12GA Caliber Rifles Handgun and Scopes with 2 Sets of Batteries

【Green Laser Beam】: Emit green laser beam, providing a precise reference for you to quickly and accurately zeroing the guns, saving your time and money without any ammo.
【12 Upgraded Adapters】: Barrel laser kit come with 12 adapters fit 0.117 to 12GA caliber, Only need few minutes to zero pistols, rifles, shootguns's scopes,optics & iron sight.
【Hight Quality Material】: Adopt the latest laser electronic components & excellent metal, our laser bore sighter kit which greatly improves the accuracy that mirrors live ammo fire.
【Longer Battery Life】: Laser Sighting comes with 2 upgraded CR2 batteries, which have longer service life than others. Laser Power: ( Class IIIA laser, less than 5mW )
【What You Get】: 1 * laser bore sight, 2 * 800mAh CR2 Batteries, 12 * Adapters (fit 0.177 to 12GA Caliber),1 * Screwdriver,1 * Instructions.