Trijicon's RMR 45 Degree offset Quick Release mount is ideal for close range shooting. The mount features the ability to attach to either the right or left side of the weapon. It also has return to zero feature in a low weight, low profile design which works with any Picatinny rail. It is constructed of 7075-T6 aluminum with an easy to use one handed tool less mounting system. This model has a matt black anodized finish. The Trijicon RMR/SRO 45 degree offset quick release mount features a 7075-T6 aluminum design, with an easy to use one handed tool less mounting system. Designed to mount an RMR/SRO at a 45 degree angle next to your primary optic which makes it ideal for close range shooting. The mount features the ability to attach to either the right or left side of the weapon. It also has return to Zero features in a low weight, low profile design which works with any picatinny rail. Features: Fits the Trijicon SRO reflex optic, RMR reflex sight Made in USA