Mec-Gar builds this magazine (part no. MGSW5920B) for the Smith & Wesson 659, 5900 Series, 910, and 915 pistols, all chambered in 9mm Luger and extending capacity to 20 rounds, above these models’ standard factory count. Made in Italy, the carbon steel tube is heat-treated and finished in blued, topped with a high-impact polymer floor plate that sits flush with the pistol grip. For Mec-Gar owners of an S&W 659, 5900 Series, 910, or 915, this handgun magazine is a precision-built, extended-capacity spare.

Key Specifications

• Chambered in 9mm Luger.
• Holds an extended 20 rounds.
• Fits the S&W 659, 5900 Series, 910, and 915 pistols.
• Built with a heat-treated carbon steel tube finished in blued.
• Features a flush-fit high-impact polymer floor plate.
• Made in Italy.
• Weighs approximately 0.25 pounds.
• Ships as a single magazine.
• Manufactured by Mec-Gar.

Frequently Asked Questions

What pistols does this magazine fit? The S&W 659, 5900 Series, 910, and 915, all in 9mm Luger.

How many rounds does it hold? An extended 20 rounds.

Buy the Mec-Gar S&W 659 Magazine

A precision Italian-made spare that covers four S&W 9mm pistol models, this Mec-Gar magazine is a versatile, extended-capacity pick. Order it from our Lubbock, Texas gun shop for fast, insured shipping.