Sig Sauer builds this factory magazine (part no. MAG-2022-43-12) for the SP2022, holding 12 rounds in a blued steel body sized for both .40 S&W and .357 SIG. The same magazine also fits the older Sig Pro 2340 and Pro 2009, giving owners of any of those three related pistols a shared spare-parts pool in either compatible chambering. Manufactured to Sig’s own factory tolerances, it feeds and seats exactly as intended. For Sig Sauer SP2022, Pro 2340, and Pro 2009 owners, this handgun magazine is a dependable factory-correct spare.

Key Specifications

• Chambered for .40 S&W and .357 SIG, sharing one magazine geometry.
• Holds 12 rounds, the standard capacity for this platform.
• Fits the Sig Sauer SP2022, Sig Pro 2340, and Pro 2009.
• Finished in blued steel for a traditional, corrosion-resistant body.

Frequently Asked Questions

Does this magazine fit the older Sig Pro models? Yes, it’s compatible with the SP2022, Sig Pro 2340, and Pro 2009.

Does one magazine work for both .40 S&W and .357 SIG? Yes, both cartridges share the same case head dimensions and run through this same magazine.

Buy the Sig Sauer SP2022 12-Round .40 S&W/.357 SIG Magazine

A factory-correct spare keeps an SP2022 or Sig Pro pistol running reliably. Order it from our Lubbock, Texas gun shop for fast, insured shipping.