Smith & Wesson M&P 10-Round Magazine 40 S&W/357 SIG Blued Steel

The Smith & Wesson M&P 10-round magazine delivers reliable feeding and consistent performance for M&P pistols chambered in 40 S&W and 357 SIG. This factory magazine features blued steel construction that withstands heavy use while maintaining the tight tolerances required for flawless function.

What Makes This Different

Factory Smith & Wesson magazines undergo rigorous testing to meet the same standards as magazines shipped with new pistols. The blued steel body provides superior durability compared to polymer alternatives, resisting deformation under stress. Heat-treated steel construction maintains spring tension longer than aftermarket options, ensuring consistent feeding through thousands of rounds.

Key Features

• 10-round capacity optimized for 40 S&W and 357 SIG cartridges
• Blued steel construction with corrosion-resistant finish
• Factory Smith & Wesson specifications ensure perfect fit
• Heat-treated steel body maintains dimensional stability
• Compatible with all M&P pistol models in 40 S&W/357 SIG
• Witness holes allow visual ammunition count verification
• Drop-free design enables rapid magazine changes

This magazine performs consistently across temperature extremes and extended firing sessions. Law enforcement agencies rely on these magazines for duty use, while competitive shooters appreciate the reliable feeding during rapid-fire stages. The steel construction handles repeated loading and unloading without spring fatigue that can plague lesser magazines.

Technical Specs

• Capacity: 10 rounds
• Caliber: 40 S&W and 357 SIG
• Construction: Blued steel body
• Compatibility: Smith & Wesson M&P pistols
• Finish: Traditional blued steel
• Country of Origin: United States
• Part Number: 194410000
• UPC: 022188127911

Factory magazines represent the benchmark for reliability in any pistol system. Smith & Wesson backs this magazine with their reputation for quality manufacturing and precision engineering that serious shooters demand.