GG&G SLiC Thing MIL-STD-1913 Rail - Adapts to All GG&G Sling Things. This GG&G Mount is a 2 1/8-inch MIL-SPEC-1913 rail ideal for mounting accessories such as a tactical gun light. This is the same rail included with the full GG&G SLiC Thing kit and is fully compatible with the GG&G Sling Thing line. The GGG SLiC Thing Rail Mount is manufactured for rugged use from 6061 T6 solid aluminum alloy and is Type III hard-coat anodized matte black per mil-spec. Robust and rigid the GG&G SLiC Thing Rail is held in place by steel screws. Specifications for GG&G 1229 SLIC Thing Rail: Material: 6061 T6 Aluminum Finish: Type III Hard-coat Anodized Matte Black Features of GGG QD Sling and Light Combination Mount: Lightweight Rugged and versatile MIL-STD 1913 rail Package Contents: GG&G SLiC Thing MIL-STD-1913 Rail - fits all GG&G Sling Things