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Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo Up to 10% Off w/ Free Shipping — 2 models

Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo Blue 11421
Evolution Gun Works 1911 Prem. Mainspring Housing/Magwell Combo, Glass Beaded 11420
Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo Blue 11421
1 of 2 images
Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo Blue 11421
Evolution Gun Works 1911 Prem. Mainspring Housing/Magwell Combo, Glass Beaded 11420
2 of 2 images
Evolution Gun Works 1911 Prem. Mainspring Housing/Magwell Combo, Glass Beaded 11420

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Questions & Answers
Hi ! Does this parts fit the Springfield Prodigy 5”? And if it doesn’t, what else can I use?

This product will not fit the Springfield Prodigy. The Prodigy requires specific and unique parts. EGW makes a magwell for the Prodigy SKU 11722. We also make magwell ready mainspring housings SKU 11466

by EGW, Verified Owner, May 2, 2025
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Customer Reviews
Helpful Positive Review
Great mainspring housing magwell by Stan Harada, Verified Owner, May 30, 2017
This mainspring housing magwell was easy to install in my stainless Springfield 1911 A1 .45. The checkering on the back improves grip and looks great. Polished the magwell which matched the polished parts of the gun. A great upgrade and good value.
1/1 found this helpful
Most Recent Reviews
Damaged and poorly made by casiel1969, Verified Owner, November 11, 2025
Two parts were packaged together with no padding so the well damaged the texture on the housing. When I went to install it the part was so poorly machined that it took significant effort to remove enough material for it to slide into place. On one si...
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Most Recent Reviews
Great piece! by Man, October 11, 2024
Very good fit and finish! Fit my 1911 perfectly no play in the components!
Most Recent Reviews
excellent affordable magwell + MSH! by FB, Verified Owner, January 4, 2024
This part has the affordability of a 2-piece magwell/MGW but with none of the downsides. I have an Ed Brown 2 piece magwell that loosens under recoil even with using loctite on the screw connecting the two parts. This EGW part uses an attachment mech...
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Most Recent Reviews
Great fit and finish! Terrific addition to my 1911 by dubyam, Verified Owner, October 24, 2023
Picked this up to add to a 10mm 1911. Typical disassembly process. While I had it apart I tuned the trigger a tiny bit, but thats not the point of this review. The magwell mainspring housing is a great design, with excellent fit and finish. I am very...
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Most Recent Reviews
Great quality, easy install, terrific fit - what's not to love? by dubyam, Verified Owner, December 31, 2022
Ordered this as part of an ongoing project to improve and dress up my RIA 1911 a bit. Install was straight forward, after pulling the RIA MSH out of the gun during a full detail strip. I swapped the internals over from the old MSH (which turns out ...
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2 Models Available
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Product Info for Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo

Our Premium Combo Package includes a machined mainspring housing with a magwell, and a magazine well drilled and tapped for twin reloads. The mainspring housing provides a base to build upon with additional machining enhancements. The magwell enhances the magazine release and beefs up the end of the housing allowing it to be seated completely into the frame with no work on your part. The magwell, along with the mainspring housing, give your 1911 a polished, all steel look. The two-piece magwell was designed with a rounded bottom to clear the hammer and accommodate the ejection port of most 1911 model magazines. Machined from solid steel bar stock, and dualnitride finished. This ensures a durable, blemish free finish.image

Specifications for Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo:

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

Package Contents:

  • Evolution Gun Works 1911 Prem. Mainspring Housing/Magwell Combo

What firearm models does the manufacturer say Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo is compatible with?

The manufacturer suggests that Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo is compatible with 1911

Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo Orderable Models

List of Orderable Models

  • Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo, Stainless Steel, 11420 , MPN: 11420 , UPC: 841370102020 , Code: KK-MSH-1911MN-11420
  • Evolution Gun Works 1911 Premium Mainspring Housing/Magwell Combo, Blue, 11421 , MPN: 11421 , UPC: 841370102037 , Code: KK-MSH-1911MN-11421
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