This Flat Mainspring Housing from Ed Brown (brand part no. 817F25) is made from stainless steel and machined with a 25 LPI (lines per inch) checkering pattern, sized to fit Government and Commander frame 1911s. The mainspring housing forms the rear of the grip frame and houses the mainspring, and the checkered texture improves grip traction in that area compared to a smooth housing.

Key Specifications

• Sized to fit Government and Commander frame 1911s.
• Built in a flat profile.
• Machined with 25 LPI checkering.
• Made from stainless steel.

Frequently Asked Questions

What does the mainspring housing do? It forms the rear of the grip frame and houses the mainspring.

Which 1911 frames does this fit? Government and Commander frame 1911s.

Buy the Flat Mainspring Housing

Add checkered texture to your Government or Commander 1911’s grip frame with this stainless mainspring housing from Ed Brown. It ships fast from our Lubbock, Texas gun shop, and our handgun parts selection has more handgun parts.