ProMag S&W M&P 25rd Magazine .40 S&W Blued Steel

This ProMag replacement magazine is a double-stack, 25-round design intended for Smith & Wesson M&P series pistols chambered in .40 S&W. The body is constructed from heat-treated blued steel with injection-molded polymer components for the follower, lock-plate, and base. The spring is formed from chrome-silicon wire and heat-treated for durability and consistent feeding. Made in the U.S.A., this magazine serves as a spare or replacement magazine for range use or equipment rotation.

Key Specifications

• The magazine capacity is 25 rounds.
• Chambering/compatible cartridge is .40 S&W.
• Designed to fit Smith & Wesson M&P series pistols.
• The body is constructed from heat-treated blued steel.
• The follower, lock-plate, and base are molded from DuPont Zytel polymer.
• The spring is wound from chrome-silicon wire and heat-treated.
• This is a double-stack detachable pistol magazine.
• Finish is specified as blued/oxide steel.
• Quantity per unit is 1 magazine.

As a straightforward replacement or spare, this ProMag magazine provides a factory-style configuration for M&P .40 owners who prefer a blued-steel magazine with polymer internal components and a heat-treated spring. Its simple, durable construction makes it suitable for range rotation, practice, or adding a serviceable spare to your equipment set.