Our premium EGW Mainspring housing is meticulously crafted to enhance 1911 government and Commander frames. This high-quality component is fully-machined from durable bar stock, ensuring exceptional strength and longevity. The expertly designed checkering optimizes weight distribution and provides superior grip and control, enhancing your shooting experience. While this mainspring housing does not include pins and springs, you can use components from your existing setup or purchase new ones from our selection. It is an ideal upgrade or replacement for standard plastic mainspring housings, offering significant improvements in performance and aesthetics. Please note that this flat mainspring housing is specifically designed for 1911 government and Commander frames and is not compatible with STI's or short grip frames. Elevate your firearm's functionality and reliability with our EGW Mainspring housing, a testament to precision engineering and quality craftsmanship.