Sightmark Universal Magnetic Muzzle Boresighter Red Laser

The Sightmark Universal Magnetic Muzzle Boresighter Red Laser offers a convenient and accurate way to sight in rifles and pistols of all types. The magnetic base attaches directly to the end of your barrel, and the red laser dot displays precisely where your firearm is aiming. You can zero any scope without firing a shot. The package includes a carrying case, three AG3 batteries, and instructions.