Nighthawk Custom 1911 Mainspring Housing with T3 Magwell - Serrated - Officer - Stainless

Manufactured by NightHawk Custom
SKU: SP0266
MPN: SP0266
Manufactured by NightHawk Custom
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Standard orders will ship out same day if ordered by 3:30pm CST. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination.



The Nighthawk Custom 1911 Mainspring Housing with T3 Magwell is a premium upgrade for your officer size 1911 pistol. It is designed to handle consistent use with strength and longevity that exceeds economy-grade parts. Every mainspring housing is Fully Machined™ from 416 stainless steel making them extremely durable and reliable. It boasts a 25 LPI serrated 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 2-piece T3 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
  • Officer size frames
  • 25 LPI serrated grip texture 
  • 2-piece T3 style 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.  
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BrandNightHawk Custom
Platform1911 Handguns

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