ProMag builds this magazine (part no. SIG-A5) for the Sig Sauer P226 chambered in 9mm Luger, extending capacity to 20 rounds beyond the factory magazine count. Constructed from heat-treated blued steel with a follower lock-plate and base-plate molded from DuPont Zytel-based black polymer, it runs a chrome-silicon wire spring for reliable feeding. For ProMag owners of a Sig Sauer P226 in 9mm, this handgun magazine is a high-capacity spare.

Key Specifications

• Chambered in 9mm Luger, matching the P226’s factory chambering.
• Holds an extended 20 rounds.
• Fits the Sig Sauer P226 in 9mm.
• Built from heat-treated blued steel with a Zytel-polymer follower lock-plate and base plate.
• Spring wound from heat-treated chrome-silicon wire.

Frequently Asked Questions

What pistol does this magazine fit? The Sig Sauer P226 chambered in 9mm Luger.

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

Buy the ProMag Sig P226 9mm Magazine

An extended 20-round spare built for the 9mm P226, this ProMag magazine gives owners a solid jump in capacity over factory. Order it from our Lubbock, Texas gun shop for fast, insured shipping.