EGW STI Mainspring Housing – 25 LPI Checkered Stainless Steel

Upgrade your STI 2011 instantly with the EGW 25 LPI checkered stainless steel STI mainspring housing. With precise machining and premium construction, this housing delivers unmatched control, durability, and style for competitive shooters, tactical users, or everyday carry enthusiasts.

Precision Checkering for Better Grip

The 25 LPI checkering puts traction exactly where you need it. As a result, your hand stays secure during rapid fire, reloads, or defensive situations. Additionally, the textured surface enhances stability without adding bulk, giving you a confident, natural grip every time you pick up your pistol.

Durable Stainless Steel Construction

Unlike plastic or low-quality alternatives, this mainspring housing is fully machined from solid stainless steel bar stock. Consequently, it resists wear, bending, and corrosion over years of use. Furthermore, the glass-beaded finish provides a smooth, consistent texture that looks great and performs under pressure.

Easy Replacement and Compatibility

You can reuse the pins and springs from your original mainspring housing, or purchase replacements separately. This housing works with STI-style 1911 pistols, making it a perfect upgrade or replacement for worn, plastic, or stock housings. Therefore, you get both performance and longevity without unnecessary hassle.

Why EGW?

• Fully machined from solid stainless steel bar stock for maximum strength

• 25 LPI checkering for secure, confident control

• Glass-beaded finish for durability and consistent feel

• Compatible with existing pins and springs

• Perfect replacement for plastic or worn housings

Take Your STI to the Next Level

By upgrading to the EGW 25 LPI checkered mainspring housing, you improve grip, control, and reliability. Whether you’re training, competing, or defending, this housing transforms the feel of your 1911, making every shot smoother and every reload faster.