The Trijicon Tall Picatinny Rail Mount is designed for the RMR sights, which are built to the highest standards. This mount is crafted to provide the most stability for your weapon's accessories. Attaching the device is simple, and removal is easy as well. The mount securely fits on your firearm, providing a solid base to attach your accessories to. Minimal adjustments are needed to return-to-zero even under heavy use with many rounds put through your firearm. The mount is a solid addition to any collection.