Ed Brown Products Sear Spring 1911 Steel. Helps prevent disconnector failure and gives positive sear engagement. Guaranteed for life against breakage. Specifications for Ed Brown Products 1911 Sear Spring: Manufacturer: Ed Brown Products Color: Steel Gun Model: 1911 Gun Type: Pistol Package Contents: Ed Brown Products 1911 Sear Spring What firearm models does the manufacturer say Ed Brown Products 1911 Sear Spring is compatible with? The manufacturer suggests that Ed Brown Products 1911 Sear Spring is compatible with 1911Ed Brown Products 822: Sear Spring 1911 Steel