Trijicon RMR/Sro Weaver Rail Mount The Trijicon MRO® 1/3 Co-Witness Quick Release mount features a Mil-Spec drop test rated 7075-T6 aluminum design with a easy to use one handed tool less mounting. Return to Zero features in a low weight low profile design which works with any Picatinny rail. The Trijicon RMR Footprint Quick Release Low Weaver Mount with Trijicon Q-LOC™ Technology features a Mil-Spec drop test rated 6061-T6 aluminum design, with an easy to use one handed tool less mounting system. This Return to Zero mount boasts a low weight and low profile design, compatible with any Weaver rail. Designed specifically for the Trijicon RMR. This lightweight Low Weaver mount is perfect for mounting a red dot sight using the RMR footprint on any weapon platform with a Weaver rail that requires a low optical height. Such as a shotgun, .22 rifle or pistol platform. Package Includes: - 1 Mount - 4 Screws - 1 Hex Key - 1 Installation Booklet - Distance From Top of Mounting Rail to Optical Axis: RMR: 0.923", SRO: 1.164" - Torque Spec (Rail): Spring Tension Only: 12-16 in. / lbs., Can be Tightened To: 30-38 in. / lbs. Specifications: - Finish: Matte Black Anodized Finish - Made in the USA - Weight: 1.8 oz. - Length: 1.8 in. - Distance From Top of Mounting Rail to Optical Axis: 1.66 in.