This ProMag extended magazine (MPN SMI-A2) is chambered in 9mm and holds 20 rounds for the Smith & Wesson 910, 915, 459, and 5900 series pistols.

Key Specifications

• Chambered in 9mm.
• Holds 20 rounds (extended double-stack).
• Heat-treated blued steel body with a DuPont Zytel-based polymer follower lock-plate and base-plate.
• Spring wound from chrome-silicon wire, heat-treated for strength.
• Manufactured by ProMag.

Frequently Asked Questions

What pistols does this magazine fit? It’s built for the Smith & Wesson 910, 915, 459, and 5900 series pistols in 9mm.

Is this an extended magazine? Yes, this 20-round double-stack magazine extends beyond the standard factory capacity.

Buy the ProMag S&W 910/915/459/5900 Magazine at Schaefer Defense

Ready to add the ProMag S&W 910/915/459/5900 Magazine to your kit? Shop it directly from ProMag, or browse the full Handgun Magazines selection at Schaefer Defense.