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Evolution Gun Works GI Arched Mainspring Housing — 2 models

Evolution Gun Works GI Arched Mainspring Housing with Lanyard Loop, WWII 1911s, Steel, Blued Carbon Steel, Blue, 11441
Evolution Gun Works GI Arched Mainspring Housing, WWII 1911s, Steel, Blued Carbon Steel, Blue, 11440
Evolution Gun Works GI Arched Mainspring Housing with Lanyard Loop, WWII 1911s, Steel, Blued Carbon Steel, Blue, 11441
1 of 2 images
Evolution Gun Works GI Arched Mainspring Housing with Lanyard Loop, WWII 1911s, Steel, Blued Carbon Steel, Blue, 11441
Evolution Gun Works GI Arched Mainspring Housing, WWII 1911s, Steel, Blued Carbon Steel, Blue, 11440
2 of 2 images
Evolution Gun Works GI Arched Mainspring Housing, WWII 1911s, Steel, Blued Carbon Steel, Blue, 11440

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Product Info for Evolution Gun Works GI Arched Mainspring Housing

Machined from:Solid Bar Stock Carbon SteelFinish:Blued CarbonSteelCompatible with: WWII 1911sThe serrations on this mainspring housing help get the weight in the right place and gives you good traction.Pins and springs do not come with this part. You can use the pins and springs from your original mainspring housing or purchase new parts from us.This mainspring housing makes a great replacement for plastic mainspring housings.This is our premium mainspring housing, designed and made by EGW. Fully machined from bar stock. This item will fit 1911 Government and Commander frames, it will not fit STI's or short grip frames.Our G.I. Arched Mainspring Housing is machined from carbon steel barstock.image

Specifications for Evolution Gun Works GI Arched Mainspring Housing:

Manufacturer: Evolution Gun Works
Color: Black
Finish: Blue
Fabric/Material: Steel
Design/Pattern: Arched/Serrated
Gun Make: 1911 Platform
Gun Model: 1911
Condition: New

Package Contents:

  • Evolution Gun Works GI Arched Mainspring Housing
Last updated 2026-06-23 UTC.