The bore sight red laser fits almost .308 chambers, easy to set in the bore. And the structure is very compact.
Specification:
Color: Gold
Battery type: LR41(Batteries included )
Package Included:
-- .308 Bore Sight X 1
-- LR41 Batteries X 6
How to use the .308 sight?
1.Unscrew the back cap from the bore sight by turning counter clockwise
2.Stand the bore sight on a flat surface with the laser side pointing down
3.Insert batteries (+ side up) inside the rear opening
4.Push down carefully and turn the screw cap clockwise to tighten the cap (the laser is now on)
5.Place in your rifle's chamber and close the bolt
6.To remove- if the bolt could not automatically extract, open it and manually remove the unit by tilting the rifle's barrel upward (always doing safe firearm practices)
7.Unscrew the back and remove the batteries to turn the unit off.