1911 Mainspring Housing/Magwell, Government, Flat, Checkered, Lanyard Loop, Stainless

Our new 1-piece Mainspring Housing / Magwell is the strongest most robust part of its kind anywhere. It sets the standard for what this part should be. It starts out life as a solid 2 ¼” block of steel. It’s then fully machined and checkered to exacting tolerances. The bottom of the mag well is rounded to reduce the print thru clothing when wearing your firearm concealed. The checkering is 25 lpi to provide a more positive grip. We have never had anyone say that it was too sharp since it contacts only the back portion of your grip. You can see a visual of what it looks like after installation by visiting our Falcon page on this site. A version is also available with a lanyard loop machined in. No lanyard pin to break. If you want a mag well on your 1911 this is one part that is worth the investment. Why not use the best to start with? Gunsmith fit may be required for proper fitting.
$159.99 USD
In stock
Nighthawk Custom’s FM Series 1911 mainspring housings and magwells are precision machined from a premium-grade 416 stainless steel billet, then hardened to resist wear from magazine changes. The tapered magazine funnel can be blended to seamlessly fit any standard 1911 and serves to guide your magazine home in high-stress, high-speed situations. Perfect for both competition and carry uses, the integrated magwell reduces reload time when it matters most. This 1911 mainspring housing features 25 LPI checkering to offer a sure purchase on the pistol.

*Gunsmith fitting may be required

The Nighthawk Custom line of Fully Machined parts are designed to be the gold standard in the 1911 parts industry. All Fully Machined parts have been fully CNC machined from solid steel billets. We never use cast, metal injected moldings or polymer parts. In order to create the World’s Finest 1911s, only the best materials can be used. That is why you can trust Nighthawk Custom Fully Machined parts in your 1911.

All Fully Machined parts are backed by a lifetime warranty.

  • 416 Stainless Steel
  • Flat (Straight) back
  • For Use on Government Size Frames
  • 25 LPI Checkered Grip Texture
  • 1-Piece Integrated Magwell
  • Lanyard Loop
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