Consistent with the VTAC Mission, the Viking Tactics Light Mount was designed for today's modern warriors- providing a light-weight and versatile option to mount a flashlight onto any Picatinny rail system. Made of a Modified Acrylic PVC Alloy Thermoplastic with high impact and abrasion resistant qualities which have been proven to withstand the harshest environments, the Viking Tactics Light Mount is designed so that you can mount your light so that it is out of your field of view and easily activated. This new and improved version of the original VTAC Light Mount Design gives you enormous flexibility. It will allow you to mount most lights with a .80 or 1" diameter and w Mfg: Viking Tactics SPECS: PVC alloy themoplastic, Black, Coyote Tan, or Flat Dark Earth. 1A 1/2" (3.8cm) long, 2A 1/2" (6.3cm) wide, 1A 1/4" (3.2cm) high. 1.8 oz. (51g) weight. Fits .800" with spacer or 1" adaptable to the two different diameters.