[Convenient to Use] The end barrel laser bore sighter is easy to use. Simply plug it in and start using it quickly and easily, getting you on paper in no time.
[Plenty of Replacements] The MidTen 17hmr laser bore sight comes with 4 sets of batteries and ample spare O-rings for replacements. It uses 3 LR41 batteries at a time and the red laser has a battery life of up to 1.5 hours.
[Accurate Calibration] The .177cal laser bore sights are precisely calibrated from the factory, eliminating the need for further adjustment. This saves you time and money, bringing you closer to your target.
[Durable Construction] The 17hmr/177cal bore sights are crafted from sturdy brass and use O-rings to securely hold the bore sight laser and protect the barrel from any damage.
[Specifications] It is designed to fit .17hmr and .177 calibers, and is classified as a Class IIIA laser with a power output of less than 5mW.