Experience the power that increased illumination can provide to your defensive firearm. Introducing the CMR-208 Rail Master Universal Tactical Light for rail-equipped firearms; a best-in-class tactical light from the brand that you trust for personal protection optics. Fits most pistols, rifles, and shotguns with M1913 Picatinny (or similar) accessory rail measuring at least 1" from recoil lug to trigger guard.