1911 Bomar Sight Set, LPA/ Fusion Pro-Series Bomar style rear adjustable sight for 1911 colt style pistols. This rear match target sight assembly comes complete with a white dot 45 degree chamfer (blade Corner) target/match blade. This sight is professional quality, Machined from bar stock and black oxide finish. The dovetail is made for the standard 60 degree x .359 bomar dovetail cut. The blade notch is .116 wide match target width. This sight is complete with elevation screw, spring, allen wench and adjustment tool. This LPA Bomar style sights does not require drilling and tapping of the slide. The elevation screw is integral to the dovetail base, saving additional machining time. But, you can use this sight in both slides that are drilled and taped or are not. The dovetail base also incorporates 2 locking screws, to securely lock the sight assembly in place in the dovetail. The front sight is a flat base .200" white dot sight. This is the most popular adjustable sight platform for Bullseye and refined target shooting. Some fitting may be required. Will work with most all sizes, makes and models of 1911 pistols and clones with bomar sight cuts A Fusion Firearms Pro-Series, Professional Gunsmithing part.