Trijicon Cantilever Mount w/Q-LOC Technology - 35mm 1.70 in 20 MOA Black. Featuring a Mil-Spec drop test rated 6061-T6 aluminum design and an easy to use one handed tool less mounting system. The spring-loaded design allows for constant retention and maintaining of zero even if the knobs are not tightened. The mount boasts a low weight and low profile design with superior return to zero performance and is compatible with any Mil-Spec or NATO Picatinny rail. Designed specifically for variable power optics this lightweight mount is perfect for mounting Trijicon Variable power optics with an objective lens up to 56mm on any weapon platform with a full Picatinny rail. Specifications for Trijicon Cantilever Mount w/Q-LOC Technology: Manufacturer: Trijicon Fabric/Material: 6061-T6 Gun Make: Universal Color: Black Base/Mount Type: QD Mount Gun Model: Universal Condition: New Quantity: 1 Finish: Matte Package Contents: Trijicon Cantilever Mount w/Q-LOC Technology What's in the box: 1 - Mount 2- Ring Caps 8 - Screws 1 - Hex Key What firearm models does the manufacturer say Trijicon Cantilever Mount w/Q-LOC Technology is compatible with? The manufacturer says that Trijicon Cantilever Mount w/Q-LOC Technology is compatible with UniversalTrijicon AC22077: Cantilever Mount w/Q-LOC Technology - 35mm 1.70 in 20 MOA Black