These uppers are in 45auto and will fit Government and Commander size 1911 frames. Some fitting may be required. Uppers should be fitted and test fired by a qualified gunsmith. All uppers listed below are complete assemblies and they include all upper parts to go along with the slide. These parts are listed below:
Barrel Firing pin stop Barrel bushing Firing pin spring Barrel link Recoil spring Barrel link pin Recoil spring guide Extractor Recoil spring plug Firing pin
Barrel: 5" Overall length: 7.5" Sights: GI style fixed front & rear Serrations: GI style rear only
Barrel: 4.25" Overall length: 6.75" Sights: Blade front sight & combat style fixed rear sight Serrations: GI style rear only
Barrel: 5" Overall length: 7.5" Sights: Bomar style rear sight & dovetail front sight Serrations: Angled front & rear
Barrel: 5" Overall length: 7.5" Sights: Bomar style rear sight & dovetail front sight Serrations: Angled front & rear
Barrel: 4.25" Overall length: 6.75" Sights: Novak style rear sight & dovetail front sight Serrations: Angled front & rear
Barrel: 4.25" Overall length: 6.75" Sights: Novak style rear sight & dovetail front sight Serrations: Angled front & rear
Barrel: 5"
Barrel: 4.25"
Barrel: 5"
Barrel: 5"
Barrel: 4.25"
Barrel: 4.25"