Mec-Gar MGSW5910B 10rd 9mm Magazine for S&W 659/5900/910/915

The Mec-Gar MGSW5910B delivers reliable feeding and consistent performance for Smith & Wesson's third-generation pistol series. This OEM-quality magazine features precision-engineered construction that matches factory specifications while offering enhanced durability. Italian manufacturing ensures tight tolerances and consistent reliability across thousands of rounds.

What Makes This Different

Mec-Gar produces magazines for over 90% of European firearms manufacturers, bringing OEM-level quality to the aftermarket. The MGSW5910B features heat-treated steel construction with a blued finish that resists corrosion better than standard phosphate coatings. Internal geometry matches Smith & Wesson factory specifications exactly, ensuring proper cartridge presentation and reliable feeding with all common 9mm ammunition weights.

Key Features

• Heat-treated steel body with corrosion-resistant blued finish
• 10-round capacity compliant with restricted states
• Compatible with S&W models 659, 5900, 910, and 915
• Precision-wound spring maintains consistent tension
• Anti-tilt follower prevents feeding malfunctions
• Witness holes for quick round count verification
• Drop-free design for tactical reloads

Field testing demonstrates consistent feeding with bullet weights from 115 to 147 grains across various manufacturers. The magazine functions reliably in temperatures from -20°F to 140°F, maintaining spring tension and feeding reliability. Competition shooters report smooth reloads and consistent lockback function, while law enforcement agencies appreciate the corrosion resistance during extended carry periods.

Technical Specs

• Capacity: 10 rounds
• Caliber: 9mm Luger
• Material: Heat-treated steel with blued finish
• Compatible Models: S&W 659, 5900, 910, 915
• Overall Length: Approximately 5.5 inches
• Country of Origin: Italy
• Manufacturer: Mec-Gar

Mec-Gar's reputation for producing OEM magazines translates directly to aftermarket reliability and longevity. This magazine provides a cost-effective solution for backup magazines or replacements without compromising the feeding reliability that Smith & Wesson third-generation pistols are known for.