Cal .22LR Boresighter End Barrel Red Laser Sight Pistol & Rifle w/Free Battery
Compatible Devices: Pistols, Rifle and Air Guns.22lr Laser Bore Sight. Type: Red Laser Bore Sight. Power: Class IIIA laser, less than 1mW. Laser Color: Red. Battery Type: AG3/LR41 Battery. Sighting Range: 15 to 100 yards.