ProMag SMIA15 StandardBlued Steel Detachable 12rd 9mm Luger for S&W M&P Compact

The ProMag SMIA15 is a 12-round 9mm magazine purpose-built for the Smith & Wesson M&P Compact, giving you reliable capacity in a package that fits your carry or duty gun. Whether you're stocking spares for the range, building out a defensive loadout, or just want backup mags on hand, this blued-steel magazine is engineered to handle repeated loading cycles without losing spring tension or function.

ProMag designed this magazine with heat-treated blued steel for durability and corrosion resistance, paired with proprietary Technapolymer components that reduce wear and extend service life. The anti-fatigue spring design means you can keep the magazine fully loaded for extended periods without worrying about spring degradation—a real advantage when mags are staged for duty or competition use.

At 12 rounds, this mag gives you a capacity boost over single-stack alternatives while maintaining the compact profile M&P shooters expect. It's a no-frills, functional choice for shooters who need dependable spare magazines without premium pricing.

Key Features

• 12-round capacity for 9mm
• Heat-treated blued-steel construction resists corrosion
• Proprietary Technapolymer components for durability and reduced friction
• Anti-fatigue spring rated for sustained loaded storage
• Engineered for S&W M&P Compact platform

Specifications

Frequently Asked Questions

Will this magazine work with my Smith & Wesson M&P Compact 9mm?

Yes. The ProMag SMIA15 is specifically designed to fit and function in the S&W M&P Compact 9mm platform.

Can I leave this magazine loaded for long periods without damaging the spring?

Yes. The anti-fatigue spring is engineered to maintain function even when the magazine is kept fully loaded for extended periods, so you can stage mags for duty or storage without concern.

What material is this magazine made from?

The magazine body is constructed from heat-treated blued steel for corrosion resistance and durability. The internal components and follower are made from ProMag's proprietary Technapolymer to reduce wear and friction.