SITELITE SL-500 Ultra Mag Green Laser Professional Boresighter (25000). Fits all calibers from. 50 handguns and rifles, plus 20 and 12 gauge shotguns and muzzleloaders. Uses an ultra bright green laser which is 50 to 100 times brighter than red lasers. Utilizes super-strong magnets in the arbor to securely center the laser within the muzzle for consistent accuracy. Uses a Class IIIa laser with a 530-670 +/- 10nm wavelength and a maximum output of 5.0mW. Includes the SRL Scope Leveler to level your crosshairs before boresighting. Powered by one DL 123 Lithium battery that provides a battery life of up to 10 hours. The SL-500 is ideal for the professional hunter, shooter, or gunsmith. The SL-500 uses an ultra bright green laser which is 50 to 100 times brighter than red lasers, and is much easier to see in daylight. The SL-500 uses one DL 123 Lithium Battery (included) that provides a battery life of up to 10 hours (continuous use). The SL-500 uses the latest laser technology to provide superior boresighting accuracy. Super-strong magnets in the arbor securely centers the laser within the muzzle for consistent accuracy. A unique system of adapters and O-rings fit. 22 to 50 caliber handguns and rifles, 20 and 12 gauge shotguns and muzzleloaders. All SiteLite Mag Laser Boresighters include: SRL-100 Scope Reticle Leveler Laser Boresighting Target Rugged Carrying Case Sight Alignment Verification Target Superior Customer Service. Our normal hours of operation are Monday through Friday 8am – 6pm CST. Gritr 7901 Boulevard 26, Suite 200 North Richland Hills, TX, 76180. We are open to the public. Dear Customer: After the Supreme Court’s ruling on South Dakota vs. Gritr is committed to compliance with these new regulations. If you have any questions about this new policy, please contact the Department of Revenue office in your state. We apologize for any inconvenience.