ProMag 6-round magazine for Smith & Wesson M&P Shield in .40 S&W. Heat-treated blued steel construction with injection-molded follower. Made in the USA.
Fits: Smith & Wesson M&P Shield
This 6-round magazine is purpose-built for the Smith & Wesson M&P Shield in .40 S&W caliber, offering a reliable spare or replacement for your defensive or duty carry pistol.
Materials: Heat-treated blued steel with injection-molded follower and chrome silicone wire spring. ProMag's proprietary TECHNAPOLYMER construction ensures consistent performance and extended service life.
Anti-Fatigue Design: The magazine spring is engineered to resist fatigue, allowing you to keep it fully loaded for extended periods—up to six years—without concern for loss of spring tension or reliability.
Whether you need a spare magazine for training, a backup for duty carry, or a replacement for your existing Shield magazine, the ProMag SMI29 delivers dependable performance at an economical price point. The robust construction and proven reliability make it a practical choice for shooters who demand consistency without compromise.