[User-Friendly] The end barrel laser bore sighter is simple to use: plug-and-play. Easily and quickly gets you on paper.
[Extra Supplies] MidTen 17hmr laser bore sight includes 4 sets of batteries and extra O-rings. Requires 3 LR41 batteries and the red laser lasts up to 1.5 hours.
[Pinpoint Accuracy] The .177cal laser bore sights are factory calibrated with no further adjustment necessary. Gets you closer to your target without wasting time or money.
[Durable Build] 17hmr/177cal bore sights are constructed of sturdy brass with O-ring protection for the barrel and laser.
[Detailed Specifications] Designed for .17hmr and .177 calibers. Class IIIA laser, under 5mW.