Get your mro mounted right with the 1/3 co-witness quick release mount from Trijicon. This solid precision machined 7075-T6 aluminum mount will give you the rock solid platform to get your mro installed correctly. With return to zero features and a light weight low profile design it mounts perfectly to any Picatinny rail. Industry professionals know that Trijicon produces some of the best optics and accessories on the planet, make sure you have Trijicon on your equipment too! includes:- mount - 4 screws - 1 hex key - 1 installation booklet. Specifications:- material: 7075-T6 aluminum - return to zero - color: black - top of rail to optical axis: 1.66" - length: 1.8" - weight: 1.8 oz