Ed Brown Products External Extractor 1911 EVO 9mm w/ Spring & Threaded Pin Stainless Steel. If you prefer the look of a stainless extractor in your Ed Brown EVO series pistol then this is the one for you. Easy drop-in installation includes spring and threaded pin. Fully machined from high quality 17-4 stainless steel and heat treated for long wear and extra strength. Specifications for Ed Brown Products 1911 EVO External Extractor: Manufacturer: Ed Brown Products Gun Model: 1911 Caliber: 9mm Luger Fabric/Material: Stainless Steel Package Contents: Ed Brown Products 1911 EVO External Extractor Spring Threaded Pin What firearm models does the manufacturer say Ed Brown Products 1911 EVO External Extractor is compatible with? The manufacturer suggests that Ed Brown Products 1911 EVO External Extractor is compatible with 1911Ed Brown Products 1303-EXT-S: External Extractor 1911 EVO 9mm w/ Spring & Threaded Pin Stainless Steel