Red Dot Laser Sight Brass Boresight with Batteries CAL Cartridge Bore Sighter For Scope Hunting
NOTE :the battery come with the boresighter,before use,please the back cover and remove the gasket.thanksFeature :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 without firing a shot. Works with scopes, holographic red dot sights, and variety sights. Durable, machined brass housing looks like a cartridge case but actually contains the entire laser system and batteries. 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.Specification :Material: High Quality AluminiumLaser Wavelength: 632-650 nmLED Type: Visible Red LaserSighting Range: 10-75 yardsDot Size: 1.5 @ 100 ydsLaser Beam:5 mwBatteries IncludedBattery Life When Continuous On: 1.5 to 2 HourPackage list:1X Bore Sight With Batteries