Free Shipping & Free Returns*

EXPEDITED SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
2 Models Available
Color
All
Finish
All
Fabric/Material
All
Search

Product Info for Evolution Gun Works Mainspring Housing GR4 and GR5

Machined from: Solid Bar Stock SteelFinish: Stainless SteelCompatible with: Kimber, Colt, and other full-size or commander-style 1911sPins 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, glassbeaded. This item will fit 1911 Government and Commander frames, it will not fit STI's or short grip frames. It is a flat mainspring housing.image

Specifications for Evolution Gun Works Mainspring Housing GR4 and GR5:

Manufacturer: Evolution Gun Works
Fabric/Material: Steel
Gun Make: 1911 Platform
Gun Model: Colt 1911, Kimber 1911
Condition: New

Package Contents:

  • Evolution Gun Works Mainspring Housing GR4 and GR5