EGW red dot sights are designed for installation from left to right, with the muzzle oriented forward. The dovetail features a progressive taper to facilitate easier installation. To mount your Leupold DeltaPoint Pro, JPoint, Redfield accelerator or Optima red-dot sight, simply remove the rear sight from your firearm and replace it with the EGW mount. The mount can be removed and the rear sight reinstalled at any time. Mounting hardware is included. The EGW mount facilitates the installation of Leupold DeltaPoint Pro and compatible red-dot sights on pre-2017 Desert Eagles by replacing the rear sight The mount is straightforward to install and detach, includes all essential hardware, and requires no permanent alterations to the firearm The mount is compatible exclusively with Desert Eagle models manufactured before 2017, it is incompatible with models produced after 2017 and Baby Desert Eagles post-2006