Red Dot Laser Boresighter Brass Bore sighter for 30-06 Springfield .25-06 / 270Red Dot Laser Boresighter Brass Bore sighter for 30 06 Springfield . 25 06 270 ITEM DESCRIPTION Laser Cartridge Boresighter This compact boresighter system is designed for sighting in your rifles without firing a shot. Simply install the included batteries, place the entire assembly into the chamber, and gently close the action. The sight will emit a straight red laser beam, providing a precise reference for zeroing in your sights or scopes. Fits 30