Feyachi BS36 Laser Bore Sight - 7.62x39mm Red Dot Optics & Sights then put in new batteries

then put in new batteries

Totally cost  22USD

11 red dot brightness settings provide optimal visibility in any light conditions

Feyachi 5 Slots Picatinny Riser Mount

【Ultra battery life】Over 100

Feyachi BS36 Laser Bore Sight - 7.62x39mm Red Dot Optics & Sights then put in new batteriesClass IIIA, less than 5mW 632 650nm red dot laser. The 7. 62x39 laser bore sight is fit for 7. 62x39 Wylde chambers, caliber specific. 3 sets (6 total) batteries. Each set lasts up to an hour. Putting the batteries in the bore sighter and automatically turn on. Please remove the batteries after use. Easy to use, bore sight kit make the red dot sight to zero much faster. Saved your time and ammo. Machined from reliable and durable brass casing. Sturdy,