Ed Brown Products 1911 Recoil Spring Guide 1911 Government Blue. Used for rebuilding existing guns or assembling new guns in the standard configuration. Available in blue only. Specifications for Ed Brown Products 1911 Recoil Spring Guide: Manufacturer: Ed Brown Products Color: Blue Gun Make: Ed Brown Package Contents: Ed Brown Products 1911 Recoil Spring Guide What firearm models does the manufacturer say Ed Brown Products 1911 Recoil Spring Guide is compatible with? The manufacturer suggests that Ed Brown Products 1911 Recoil Spring Guide is compatible with Colt 1911 Government 5in 1911 Commander 4.25inEd Brown Products 882-STD: 1911 Recoil Spring Guide 1911 Government Blue