ProMag SMI30 7rd .40 S&W Magazine for M&P Shield

Upgrade your S&W M&P Shield with the ProMag SMI30 7-round .40 S&W magazine. Crafted from durable blued steel, this magazine promises reliable performance and longevity. Featuring a heat-treated steel body, injection-molded follower, and chrome silicone wire spring, it ensures smooth feeding and operation. Ideal as a replacement or spare, this detachable magazine is essential for any M&P Shield owner who values quality and durability. Proudly made in the USA, it offers exceptional value for maintaining your firearm's readiness.