308 .243 Caliber Laser Boresighter Bore Sighter Sight 308 243 Cal WIN Remington

• Chamber-Mounted Laser Helps You Sight In Rifle Or Pistol Without Firing A Shot
• Easy-to-use, self-contained boresighting system fits in the chamber of your rifle or pistol and projects a powerful red laser beam aligned with the bore axis for sighting to the point-of-aim 
• Works with scopes, holographic red dot sights, and “iron” sights. Durable, machined brass housing looks like a cartridge case but actually contains the entire laser system and batteries.

How to use

Insert the batteries and screw the cap on the housing to turn on the laser; remove the batteries to turn off. Insert the entire assembly into the chamber, gently close the action, and aim at a target 20-30 yards away. Adjust windage and elevation of the scope or sights so point-of-aim is zeroed on the dot, compensating for sight offset to prevent gun from shooting high. 

Go to the range for test shots and final sight adjustments. 

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