Cal .17 Red Laser Bore Sight Cartridge Dry Fire Shooting Boresight w/ Battery
Type: Red Laser Bore Sight. Laser Color: Red. Power: Class IIIA laser, less than 1mW. Battery Type: AG3/LR41 Battery. Sighting Range: 15 to 100 yards. Compatible Devices: Pistols, Rifle and Air Guns.