In the realm of firearms, reliability and precision are paramount. Enter the ProMag SMI 31 magazine, a testament to American craftsmanship and engineering excellence. Designed specifically for the Smith & Wesson Shield in .40 caliber, this magazine offers a harmonious blend of durability and performance.
The foundation of its robust construction lies in heat-treated blued steel, ensuring resilience under rigorous conditions. The integration of ProMag's proprietary TECHNAPOLYMER further enhances its structural integrity while maintaining an optimal weight balance.
A key feature is the injection-molded follower that guarantees smooth operation with every round cycled through your firearm. Complementing this is an anti-fatigue spring crafted from heat-treated chrome silicon wire—precision wound to perfection. This innovative design allows you to keep your magazine loaded for up to six years without compromising reliability or performance.
ProMag magazines are not only made in Phoenix, Arizona but also come backed by a lifetime warranty against manufacturer's defects—a promise that underscores their commitment to quality assurance at every stage of production.
Whether you're on duty or at the range, trust in ProMag's unwavering dedication to excellence as embodied by their SMI 31 model—a true companion for those who demand nothing less than superior functionality from their equipment.
Features
- fits s&w shield .40 s&w pistols
- magazine body constructed from heat treated steel
- injection molded magazine follower
- magazine spring formed from heat treated chrome silicon wire
- heat-treated chrome silicon wire spring
- manufactured & assembled in the u.s.a.
- easy loading
- rugged construction