Smith & Wesson M&P9 15-Round Magazine 9mm Luger Shield+ Equalizer

The Smith & Wesson 3015890 M&P9 magazine delivers reliable 15-round capacity for M&P Shield+ and Equalizer pistols. This factory magazine maintains the compact profile essential for concealed carry while maximizing ammunition capacity.

What Makes This Different

Factory Smith & Wesson magazines undergo rigorous quality control testing that aftermarket alternatives often skip. The steel construction with polymer follower provides consistent feeding geometry matched to M&P pistol specifications. Unlike generic magazines, this unit maintains the precise spring tension calibrated for Shield+ and Equalizer models, reducing malfunctions during rapid fire sequences.

Key Features

• 15-round capacity maximizes firepower in compact frame
• Factory-matched spring tension for reliable feeding
• Steel body construction with corrosion-resistant finish
• Polymer follower reduces weight and prevents binding
• Compatible with M&P Shield+ and Equalizer pistols
• Witness holes for quick round count verification
• Flush-fit base plate maintains concealment profile

This magazine performs consistently across temperature extremes and extended storage periods. The steel body withstands repeated loading cycles without spring fatigue that affects cheaper alternatives. Competition shooters rely on this capacity advantage during USPSA Production division matches, while law enforcement appreciates the additional rounds for duty carry.

Technical Specs

• Capacity: 15 rounds of 9mm Luger ammunition
• Construction: Steel body with polymer follower
• Finish: Black oxide coating
• Compatibility: M&P Shield+, M&P Equalizer pistols
• Base plate: Flush-fit polymer construction
• Spring: Heat-treated steel coil spring
• Manufacturer: Smith & Wesson
• Country of Origin: United States

Factory magazines eliminate compatibility guesswork and feeding issues common with aftermarket options. Smith & Wesson backs this magazine with their standard warranty coverage, ensuring long-term reliability for serious shooters.