MidTen Bore Sight Laser for 223 5.56mm, 9mm & 12 Gauge - Precision Gunsight Tool with Extra Batteries | Perfect for Rifle, Pistol & Shotgun Sight Alignment at Home or Range

Features

[High Accuracy] MidTen 12 gauge bore sights are accurated from the factory. Arrived zeroed already and no more adjustment needed.

[Plenty of Batteries] Comes with 9pcs LR44 batteries. 12 gauge bore sight laser needs 3 batteries to work and the laser will last up to 8 hours, more than enough to do the basic sight-in work.

[Easy to Use] 12-Gauge chamber-sized laser boresighter is a quicker way to line up your optic and iron sights, save time and improve their accuracy.

[Sighting Range] 12GA red laser boresighters can reach the sighting range of 15-100 yards in dim conditions, which is easy to know where your aiming.

[Specification] 12 gauge bore sight with Class IIIA laser, less than 5mW.