Nighthawk Custom 1911 Mainspring Housing with Magwell - Scalloped - Government - Stainless

Manufactured by NightHawk Custom
SKU: SP0231
MPN: SP0231
Manufactured by NightHawk Custom
(0) No Reviews yet

Out of Stock

For individual Officer, First Responder, and Military pricing please make sure you are logged in. for details



The Nighthawk Custom 1911 Mainspring Housing with Magwell is a premium upgrade for your government size 1911 pistol. It is designed to handle consistent use with strength and longevity that exceeds economy-grade parts. The mainspring housing with magwell is a great way to improve the performance and grip of your favorite 1911. Every mainspring housing is Fully Machined™ from 416 stainless steel making them extremely durable and reliable. It boasts a scalloped grip texture on the face creating positive engagement and a confident hand/gun connection. The flat back helps improve the feel of the firearm, especially for those with a smaller hand grip. The magwell is constructed from Fully Machined™ 416 stainless steel and is tapered to guide the magazine during insertion and extraction making magazine changes consistent and reliable. It can be fitted to any standard 1911 and installation is simple, requiring only minor fitting. The Nighthawk Custom 1911 Mainspring Housing with Magwell is perfect for the gun hobbyist or recreation shooter who feels comfortable assembling and fitting minor parts. Try one for yourself and you will notice improved performance in your favorite 1911 pistol.

Note: Gunsmith fitting may be required.

  • 416 stainless steel
  • Flat (straight) back
  • For use on government size frames
  • Scalloped grip texture
  • 2-Piece magwell design

Nighthawk Custom began manufacturing 1911 pistols and their Fully Machined (FM) Series parts in 2004 based upon the motto “ONE GUN, ONE GUNSMITH.” Today, every pistol a Nighthawk Custom is built from start to finish by a single gunsmith and their FM Series parts represent the highest quality 1911 parts on the market.
See More


BrandNightHawk Custom
Platform1911 Handguns
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

Ratings & Reviews

No reviews available

Be the first to Write a Review