Material: 7075 Aluminum Coating: Matte Black Hardcoat Overall Length: 1.780" Overall Width: 1.1" Mounting Hardware: (2) 6-32 Flat Head Screws, (1) 6-32 X 3/16 Set Screw Red Dot Fitment: Trijicon RMR, Holosun HS507C This mounts fits: Baby Desert Eagle (Post 2006) EAA Witness Elite Match This mount does not fit: Rock Island 1911s Simply remove the rear sight on your gun and replace it with our mount in order to mount your Trijicon RMR red dot sight. No alterations are required. You can take our mount off and replace your rear sight at any time. Mounting hardware included. Installation Instructions Remove the rear sigh Mfg: Egw