30-30 Win Bore Sight Laser Bore Sighter Red Dot Boresighter with Batteries

Class IIIA laser, less than 5mW.Caution: Keep the red laser beam away from eyes.
Faster gun zeroing,high accuracy,reduce cartridges and shells wasted.Made to fit the 30-30 Win chamber, caliber specific.
Comes with 2 sets updated batteries (6 AG3 batteries) which can last two hours. Before use it, remove the plastic packaging of the batteries.
By projecting a straight red laser beam from the center , providing a precise reference for zeroing in on your target, allows for quick and accurate resetting of any sights.
Easy to sit perfectly in the bore,sturdy brass construction,the boresighter is high quality.