Beamshot Rifle & Shotgun Green Lasersight w M1 mount Matte Black. 58 in Width: 0.94 in Weight: 4.2 oz Fabric/Material: Aircraft Grade Aluminum Head - Aircraft Grade Aluminum Body - Durable Plastic Durable Plastic Additional Features: Rifle/Pistol with a rail slot Mount Type: Weaver Features of Beam-Shot IR Green Beam Laser Sight: For all weapon that have weiver/picatanny 1913 rail 532nm green laser beam at 1200 yards nighttime range. 20 times brighter than red laser sights. Visible in broad daylight. Durable Aerospace-grade aluminum housing with hard anodized finish. Powered by one CR123A battery that provides 4 hours continuous use. Package Contents: Beamshot GreenBeam 1000 Green Lasersight w/ M1 Mount Beamshot GB1000W/M1: Rifle & Shotgun Green Lasersight w M1 mount Matte Black