Fit's Most Pistols With A Front Rail, Includes Glock, Springfield XD,XDM, Smith And Wesson M&P Compact Tactical Green Laser by Ade Advanced Optics The Tactical Green Laser is a super bright green laser in a compact sleek design. With a Quick Detachable Weaver style mount, you can quickly install and remove the powerful green laser in seconds and mount it onto virtually any of your firearms without the use of tools. Operated with a single CR123 battery(included) Overall Length: 3 inch Net Weight: 3.4oz Precise windage and elevation adjustments, keeps your shots on target! Constructed of solid anodized aluminum, this laser is tough and can take a beating. All our lasers have FDA accession number and Meet FDA safety standard.