Ed Brown Products Magwell Replacement 1911 Compact Stainless Steel. The edges of the compact magwell have been rounded for a more sleek and low profile appearance and are ideal for an Officers style frame. Both styles include a screw and wrench. Specifications for Ed Brown Products 1911 Magwell Replacement: Manufacturer: Ed Brown Products Gun Model: Colt 1911 Government 5in Colt 1911 Officer Package Contents: Ed Brown Products 1911 Magwell Replacement What firearm models does the manufacturer say Ed Brown Products 1911 Magwell Replacement is compatible with? The manufacturer says that Ed Brown Products 1911 Magwell Replacement is compatible with Colt 1911 Officer Colt 1911 Government 5inEd Brown Products 819-CM: Magwell Replacement 1911 Compact Stainless Steel