Ed Brown Products Trigger Pull Kit 897 Hammer 874 Sear 811-M Disconnector 822 Sear Spring 816 Mainspring Stainless Steel. Fully machined from bar stock steel the Perfection Disconnector in these Ed Brown Trigger Pull Kits is incredibly durable and well-built for extra-strength reliability. With the sides narrowed and the strut pin hole lowered you get even less drag on the slide with the Ed Brown Trigger Pull Customization Kit. After enough use the springs will wear out and need to be replaced but the quality is excellent all the same. Install the Ed Brown Trigger Pull Upgrade Kit for a lighter longer-lasting trigger pull. Specifications for Ed Brown Products 1911 Trigger Pull Kit: Manufacturer: Ed Brown Products Gun Model: 1911 Gun Type: Pistol Package Contents: Ed Brown Products 1911 Trigger Pull Kit Perfection Hammer Perfection Sear Perfection Disconnector Sear Spring Main Spring What firearm models does the manufacturer say Ed Brown Products 1911 Trigger Pull Kit is compatible with? The manufacturer says that Ed Brown Products 1911 Trigger Pull Kit is compatible with 1911Ed Brown Products 897-KIT-5: Trigger Pull Kit 897 Hammer 874 Sear 811-M Disconnector 822 Sear Spring 816 Mainspring Stainless Steel