THORNTAIL Adaptive Light Mount is specifically designed to extend the weapon light several inches beyond the end of the forend or rail system allowing the shooter to place the support hand farther forward on the weapon, improving the shooter's control, speed and accuracy while increasing usable space for attaching IR devices, lasers, grips, etc. THORNTAIL attaches to any 1913 Picatinny rail, is fully ambidextrous, providing 8 different mounting solutions on a single rail system. THORNTAIL?s cantilevered mounting design places the bezel of the weapon light above the barrel and in front of the front sight base, eliminating shadows in critical low or no light shoot or no shoot situations. Ultra-lightweight THORNTAIL Adaptive Light Mounts are CNC machined from BILLET 6061-T6, Black Anodize TYPE III to MIL-A-8625F and 100 Percent Berry Amendment Compliant. Each THORNTAIL comes complete with the necessary instructions, tools and hardware required to attach your light to your weapon. No Gunsmithing required. Designed with Haley Strategic Partners and MADE BY AMERICANS at Impact Weapons Components in Colorado. LPIC830 .830" / SUREFIRE E-Series. VIKING TACTICS VTAC-L4-BK, VTAC-MINI-L4.