Description
Ed Brown has spent over half a century refining 1911 parts, and their arched serrated mainspring housing shows that pedigree. This piece is fully machined from solid stainless steel bar stock rather than cast or plastic, which means you get real durability and precise fit.
The arched profile naturally fills your hand better, especially if you have larger hands or prefer a higher grip angle on your pistol. Combined with the vertical serrations, you get a secure, non-slip grip even during rapid fire or reloads. The serrations bite just enough to keep your hand locked in position without the harshness of aggressive checkering.
Drop-In Stainless Steel Construction
Installing this housing is straightforward. It's designed to drop right into any full-size 1911 Government or Commander frame without fitting or adjustment. You'll swap over the internals from your existing housing and you're done. The stainless finish resists corrosion and looks clean against any slide finish you're running.
Serrated Profile for Grip and Control
While flat housings are common, the arched serrated design from Ed Brown addresses two things shooters actually care about: how the gun sits in your hand and how it feels when you're putting rounds downrange. The curve pushes the heel of the grip forward slightly, which some find more natural. The vertical serrations provide consistent traction without the aggressive bite of checkering, keeping your grip secure through the shot cycle and follow-ups.
Key Specifications
- Manufacturer: Ed Brown Products
- Manufacturer Part Number: 817-ARCH
- UPC: 800732817118
- Material: Stainless Steel
- Profile: Arched
- Surface Treatment: Serrated
- Compatibility: 1911 Government and Commander Models
- Installation: Drop-in
- Construction: Fully Machined from Solid Bar Stock
- Internals Included: No
What’s Included
- Arched serrated mainspring housing only
Frequently Asked Questions
Do I need to fit this housing or does it drop in?
This Ed Brown housing is designed as a drop-in replacement for standard 1911 Government and Commander frames. You'll remove your existing housing, swap over the internals (mainspring, cap, and pins), and slide the new housing right in without any fitting or adjustment needed.
What's the difference between arched and flat housings?
An arched housing curves outward at the bottom, pushing the heel of the grip forward and slightly changing how the gun naturally points when you grip it. This profile appeals to shooters with larger hands or those who prefer a higher grip angle. A flat housing is more neutral. Both work well, it really comes down to what feels better in your hand and what your pistol already has.
Will the serrations feel too aggressive?
The vertical serrations on Ed Brown housings provide solid traction without the bite of checkering. They're machine-cut with precision, so the edges are consistent and not sharp. Most find them comfortable during extended shooting sessions while still delivering reliable grip security.
What comes with this housing?
You get the housing itself. The mainspring, mainspring cap, and pins are not included, but you can transfer these from your existing housing or purchase them separately if needed.





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