Elevate your firearm's performance with the Nighthawk Custom Mainspring Housing. Designed for Government models, this flat, smooth mainspring housing is crafted from high-quality carbon steel, ensuring durability and reliability. Its fully machined finish not only enhances aesthetics but also guarantees a precise fit for optimal function. Whether you're a competitive shooter or a dedicated enthusiast, this mainspring housing will provide the perfect blend of style and performance. Upgrade your 1911 with the SP0236 and experience the difference in handling and control.