ELENKER Cal 223 5.56mm Rem Gauge Laser Bore Sighter Boresight Red Dot

ELENKER CAL 223 5.56mm Rem Gauge Laser Bore Sighter Boresight Red Dot Specification: Type: Class 3A laser Laser Type: Visible red laser Compatibility: Rifle, Handgun, Bow, Cross Bow, Pistol Construction: Aluminum Description: The laser unit cartridge fits 223REM caliber rifles. It projects a straight laser beam allowing precise optical adjustments to sight in your scopes & sights without firing and ammo. Great for the range and ensuring your gun is still zeroed in after travel. Easy to use. Simply place batteries in end cap-twist and end cap to turn on-and place in chamber. Class 3A laser and laser output less than <5mw Wavelength: 650nM Precision made How to intall the battery: Twist the end cap off the Arrow Laser Sighting tool counter clockwise to open the battery housing. Insert the three supplied batteries (LR41) into the battery, negative end first. Be certain that the batteries are all facing in the proper direction to ensure proper function of your Arrow Laser Sighting Tool. Turn the end cap clockwise until it is slightly snug. At this point you should visibly see the red laser. If you plan to store the laser for a long period of time without use, remove the batteries to preserve the power. Package include: 1 x 223 REM Laser Bore Sight 6 x AG3 Battery