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Evolution Gun Works Officers Mainspring Housing 25 LPI Up to 10% Off — 2 models

Special offer available for this product. Click here to see!
Evolution Gun Works Officers Mainspring Housing 25 LPI, 1911, Steel, Blued Carbom Finish, Blue, 11413
Evolution Gun Works Officers Mainspring Housing 25 LPI, 1911, Steel, Stainless, 11412
Evolution Gun Works Officers Mainspring Housing 25 LPI, 1911, Steel, Blued Carbom Finish, Blue, 11413
1 of 2 images
Evolution Gun Works Officers Mainspring Housing 25 LPI, 1911, Steel, Blued Carbom Finish, Blue, 11413
Evolution Gun Works Officers Mainspring Housing 25 LPI, 1911, Steel, Stainless, 11412
2 of 2 images
Evolution Gun Works Officers Mainspring Housing 25 LPI, 1911, Steel, Stainless, 11412

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excellent quality product by BOBBY, Verified Owner, August 15, 2025
Adds a little weight but very solid much better stronger than plastic� resists scratches a lot better feel in your hand , a little more aggressive feel ALMOST ROUGH , but great replacement should also replace spring , cap and pin I was amazed how dir...
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Product Info for Evolution Gun Works Officers Mainspring Housing 25 LPI

Machined from:Solid Bar Stock SteelFinish:Stainless SteelCheckering:25 LPI (Lines Per Inch)Compatible with:Officer's Model 1911s.The checkering on this mainspring housing helps 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 Officer's Model Frames. It is a flat mainspring housing.image

Specifications for Evolution Gun Works Officers Mainspring Housing 25 LPI:

Manufacturer: Evolution Gun Works
Fabric/Material: Steel
Design/Pattern: Checkered
Gun Make: 1911 Platform
Gun Model: 1911
Condition: New

Package Contents:

  • Evolution Gun Works Officers Mainspring Housing 25 LPI

What firearm models does the manufacturer say Evolution Gun Works Officers Mainspring Housing 25 LPI is compatible with?

The manufacturer says that Evolution Gun Works Officers Mainspring Housing 25 LPI is compatible with 1911

Evolution Gun Works Officers Mainspring Housing 25 LPI Orderable Models

List of Orderable Models

  • Evolution Gun Works Officer's Mainspring Housing, 25 LPI, 1911, Steel, Blued Carbom Finish, Blue, 11413 , MPN: 11413 , UPC: 841370112463 , Code: KK-MSH-OMH25-11413
  • Evolution Gun Works Officer's Mainspring Housing, 25 LPI, 1911, Steel, Stainless, 11412 , MPN: 11412 , UPC: 841370112456 , Code: KK-MSH-OMH25-11412
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Last updated 2026-10-09 UTC.