Drop-In Mainspring Housing, Officer, 25 LPI Checkering, Stainless

Our Flat Mainspring Housings are machined from solid billet. The checkered version is 25 lpi to provide a more positive grip and available in Carbon or Stainless Steel. We have several varieties to choose from since we are a custom shop. They include: Checkered 25 lpi in Govt. or Officer, Carbon and Stainless Steel
Regular Price $49.99 USD Discounted Price $39.99 USD
In stock

For an instant upgrade to your officer 1911 pistol, Nighthawk Custom’s Drop-In Series 1911 mainspring housing provides improved durability and aesthetics over plastic and MIM stock offerings. Each mainspring housing is Fully Machined™ from a premium-grade 416 stainless steel billet and blued to provide unmatched durability. To improve grip on the pistol, 25 LPI checkering has been added. Experience the Nighthawk Difference with the highest quality drop-in parts available.

May require minor fitting.


  • 416 Stainless Steel
  • Officer
  • 25 LPI Checkering
  • Flat (Straight) Back

    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.

  • Write Your Own Review
    You're reviewing:Drop-In Mainspring Housing, Officer, 25 LPI Checkering, Stainless
    Your Rating