Evolution Gun Works Weld-on Pistol Magwell 1911 Silver. Once blended the mag well sits flush. Our mag well is deal for competition or carry. This product must be installed by a competent gunsmith. Specifications for Evolution Gun Works 1911 Weld-on Pistol Magwell: Manufacturer: Evolution Gun Works Color: Silver Gun Make: 1911 Platform Gun Model: 1911 Package Contents: Evolution Gun Works 1911 Weld-on Pistol Magwell What firearm models does the manufacturer say Evolution Gun Works 1911 Weld-on Pistol Magwell is compatible with? The manufacturer says that Evolution Gun Works 1911 Weld-on Pistol Magwell is compatible with 1911Evolution Gun Works 11710: 1911 Weld-on Pistol Magwell Silver