PROMAG MAG SW M&P40 40SW 10RD BLUED STEEL (24)

The PROMAG 10-round blued steel magazine for SW M&P40 gives you a reliable, U.S.-made spare for your Smith & Wesson M&P .40 S&W pistol. Whether you're building a backup mag rotation, prepping for the range, or just want extra capacity on hand, this double-stack mag delivers the dependability you need without the premium price tag. It's engineered to feed and function consistently, so you can focus on your shot.

Built from heat-treated blued steel, the mag body resists corrosion and wear through hard use. The follower and base plate are molded from a proprietary DuPont Zytel-based polymer that withstands repeated loading cycles and strikes without cracking. The spring is wound from chrome-silicon wire and heat-treated for maximum strength, ensuring smooth feeding and reliable bolt-catch engagement cycle after cycle.

Made in the U.S.A., this PROMAG mag offers the value and utility that working shooters and everyday carriers expect—solid performance without the frills. At 10 rounds, it works well for duty, home defense, training, or backup carry configurations where you need extra firepower in your kit.

Key Features

• Double-stack design holds 10 rounds of .40 S&W
• Heat-treated blued steel body resists corrosion and abuse
• Proprietary Zytel-based polymer follower and base plate for durability
• Chrome-silicon wire spring, heat-treated for reliability
• U.S.A.-made

Specifications

Brand	Pro Mag
Caliber	.40 S&W
Capacity	10 rounds
Firearm Fit	Smith & Wesson M&P series
Material	Blued steel body; polymer follower and base plate
Configuration	Double-stack
Spring Material	Chrome-silicon wire, heat-treated
Country of Origin	U.S.A.

Frequently Asked Questions

Will this magazine work with my Smith & Wesson M&P40?

Yes, the PROMAG 10-round magazine is designed for the Smith & Wesson M&P series of pistols chambered in .40 S&W.

What's included?

You receive one 10-round magazine. The blued steel body, polymer follower, base plate, and heat-treated spring are all included.

Is this magazine made in the USA?

Yes, the PROMAG magazine is manufactured in the U.S.A.

Can I use this for duty or defensive carry?

This is a reliable spare magazine suitable for training, range work, backup rotation, or defensive carry configurations where a 10-round capacity fits your needs.