Ed Brown Products Perfection Disconnector 1911 Black. The only product of its kind. The strongest available and heat-treated for long life and extreme service use. Machined surfaces are finely finished and dimensionally exact. Designed to work perfectly with our Perfection Sear and Hammer for precise trigger jobs every time. Will work with all 1911 pistols including the Hi-Capacity types. Specifications for Ed Brown Products 1911 Perfection Disconnector: Manufacturer: Ed Brown Products Color: Black Gun Model: 1911 Package Contents: Ed Brown Products 1911 Perfection Disconnector What firearm models does the manufacturer say Ed Brown Products 1911 Perfection Disconnector is compatible with? The manufacturer suggests that Ed Brown Products 1911 Perfection Disconnector is compatible with 1911Ed Brown Products 811-M: Perfection Disconnector 1911 Black