Trijicon Quick Release Mounts with Q-LOC Technology are designed for the most discerning users. This line of premium specialty mounts features a proprietary design that offers a spring-loaded attachment mechanism, allowing for easy, one-handed attachment along with redundant design features to provide a superior return to zero performance. Trijicon&';s mounts with Q-LOC Technology are offered for Trijicon red dots, thermal optics, and a wide range of riflescopes.Features : "30MM, 1.125" Height" Quick-Release, Return to Zero Multiple proprietary recoil lugs ensure total rail engagement Fast, One-Handed Mounting Snag-Resistant Knob Design Precision-Cut Dimensions Accommodate Any Platform Trijicon Durability