TLR-7A Weapon LightRail grip clamp system securely attaches detaches quickly and safely with no tools and without putting your hands in front of muzzle Durable, anodized machined aluminum construction Custom optic produces a concentrated beam with optimum peripheral illumination The new TLR 7A includes customized ergonomic switches featuring a low or high position to match your shooting style. It features an ambidextrous on off switch and a rail clamp that is designed