The ProMag magazine (manufacturer part number SIG-A25) is an 18-round 9mm magazine for the Sig Sauer P226.

Key Specifications

• Holds 18 rounds of 9mm.
• Compatible with Sig Sauer P226.
• Manufactured by ProMag.
• Weighs about 0.19 lb shipped.
• The 9mm chambering is also known as 9x19mm Parabellum.
• Ships empty — no ammunition is included.
• A direct-fit replacement or spare magazine, not a loader or extension accessory.

Frequently Asked Questions

What does this magazine fit? It’s built for Sig Sauer P226. Always confirm your exact model/variant before ordering, since magazine fitment can vary by generation.

What’s the capacity and caliber? It holds 18 rounds of 9mm.

Buy the ProMag Sig Sauer P226 9mm 18-Round Magazine

Order from a Lubbock, TX gun shop on the ProMag Sig Sauer P226 9mm 18-Round Magazine from ProMag, part of our Handgun Magazines selection. Pick up a dependable spare or replacement magazine.