.40 Cal Bore Sight Easy Adjust for Zeroing Optics and Scope Sighting

.40s&w Bore Sight Easy Adjust and Zeroing Optics Bore Sighter for Scope Sighting Specification: Red laser Class IIIA Power less than 5mW Material: Solid Brass Dimension:44.5mm*9.5mm*6.3mm Dot Size: 1" at 50 yds Laser wavelength: 632-650nm Sighting range 15-100 yards Temperature: -10℃ to 40℃ Packing box included: Bore sighter + 6 batteries(2 sets) How to use the laser boresighter? STEP 1: Make sure your firearm is unloaded, remove magazine and double check that chamber is empty STEP 2: Unscrew the back cap from the bore sighter and insert 2 batteries(+ side up) inside the rear opening,there is no switch on the boresighter, so the laser will be on after tighten the cap STEP 3: Place in your equipment's chamber and close the bolt then you can start sighting your scope and laser sights. Our boresighter has been centered and accurately leveled from the factory STEP 4:After finish the caliberation, Open the bolt if it does not automatically extract, manually remove the unit by tilting the equipment's barrel upward STEP 5:Take out the battery from boresighter and keep them in the packing box for using next time Note: Please remove the batteries after calibration Please do not point the laser to people's eyes directly