Upgrade your reloads and grip control. This one-piece 1911 mainspring housing with integrated magwell is CNC-machined from steel and finished in a striking gold tone. The chainlink texture gives positive purchase without sharp bite, while the funnelled magwell speeds magazine changes.

Key Features

• One-piece MSH + magwell: rigid, durable, no screws to loosen.
• CNC steel construction: built for duty use and range abuse.
• Gold chainlink finish: distinctive look with secure grip.
• Drop-in on most frames: minor fitting may be required.
• Includes mainspring housing pin hole & cap channel (transfer your internals or install new kit).

Compatibility

• Frame size: 1911 Full-Size (Government 5") and Commander (4.25") frames share the same MSH length.
• Not compatible: 1911 Officer/Compact frames.
• Magwell cut: standard bevel; works with most full-size magazines and base pads.

Specs

• Material: Steel (CNC machined)
• Finish: Gold-tone
• Texture: Chainlink
• Configuration: Arched magwell housing

What’s Included

• (1) 1911 mainspring housing with integrated magwell