Barska Laser Sight with Pistol and Rifle Mount Black

Tactical weaver style detachable mount with locking cross bar, equipped with an on-off button, laser sight is made from tough lightweight aluminum. Includes 3 LR-44 batteries and tools. Features Red Laser Pistol / Rifle Sight Tube Diameter: 15mm Output Power: Wavelength: 635-655nm Max Reach Capacity: 500 yds Adjustment Type: Allen wrench Battery Type: LR-44