Trijicon VCOG Cantilever Mount w/ Q-LOC Black. The spring-loaded design allows for constant retention and maintaining of zero even if the knobs are not tightened. This mount boasts a low weight and low profile design with precisereturn to zero performance and is compatible with any Mil-Spec or NATO Picatinny rail. Designed specifically for the Trijicon VCOG. This lightweight mount is perfect for mounting the VCOG on any firearm platform with a picatinny rail and allows users to adjust the location of the optic to obtain proper eye relief. Specifications for Trijicon VCOG Cantilever Mount w/Q-LOC: Manufacturer: Trijicon Height: 1.535 in Fabric/Material: 6061-T6 Aluminum Color: Black Length: 5.1 in Weight: 3.32 oz Width: 2.07 in Finish: Matte Anodized Country of Origin: USA Quantity: 1 Package Contents: Trijicon VCOG Cantilever Mount w/Q-LOC 1 Mount 2 Screws 1 Hex Key Trijicon AC12043: VCOG Cantilever Mount w/ Q-LOC Black