Generic Red Laser Bore Sighter Boresighter Sighting Sight Boresight Colimador for Hunting Rifle (CAL.30-06 .25-06 .270WIN)
Red Laser: 635-655nm, Max output <5mw, Class IIIa Laser Easy to use, just install the batteries into the Laser cartridge and screw on the base, which turns the laser on. Remove Batteries to turn unit off Factory Pre-Aligned Cartridge Bore Sighters, helps with Zeroing your optics