EZshoot Bore Sight 12 Gauge Green Laser Boresighter with Extra Batteries

About EZshoot 12 Gauge Green Laser Boresighter 【EZshoot Precision】12 gauge laser bore sight is designed to provides a precise reference to zero-in your optic and iron sights so as to save your time and money. EZshoot really does the job! 【Clear Green Laser】If you like the contrast of colors when zeroing your red dot optics, green laser bore sighter is more suitable for you. 12 gauge green laser boresight, wave length 510-540nm, sighting range 30-300 yards. 【Plenty of Batteries】Comes with 3 sets of batteries (9pcs in total), use 3pcs at a time. Upgraded LR44 battery allows the 12ga bore sight last up to 2 hours. 【Premium Quality】Solid brass construction. Chamber-sized 12 gauge bore sight laser will sit perfectly in the bore and easy to use. 【Specification】The green bore laser is suitable for 12 gauge chamber, caliber specific. Class IIIA laser, less than 5mW. Product Description Why choose EZshoot 12 gauge bore sight laser? 【Accuracy】excellent manufacturing process, effectively im