Fusion Pro-Series Bomar style 1911 colt pistol rear match target sight, This sight is professional quality, Machined from bar stock and black oxide finish. The dovetail is made for the standard 60 degree x .375 LPA style dovetail cut. Common on Kimber, STI Charles Daly and many other 1911 pistols. The blade notch is .110 wide match target width. This sight is complete with elevation screw and spring. This sight has white dot corner rounded sight blade, This is nice for Accurate pistols set-ups for IDPA and action games.