Add a compatible RMR footprint red dot to your Glock double-stack pistol without permanent modifications using the UTG Rear Sight Dovetail Mount. Engineered to replace the factory rear sight, this ultra-slim mount provides a secure, low-profile platform that positions your optic as close to the slide as possible, delivering a natural sight picture and a streamlined appearance.Precision CNC-machined from lightweight 6061-T6 aircraft-grade aluminum and protected by a durable matte-black anodized finish, the MT-RMRGL is built for dependable performance. A precision dovetail insert and Torx locking screws help maintain a secure installation and consistent zero, while the no-gunsmithing design allows for straightforward installation with the included hardware and tools.Ideal for shooters looking to upgrade their Glock with a red dot optic while preserving the factory slide, this mount offers a simple, reliable mounting solution.