Description
This is a genuine Sig Sauer factory magazine engineered for the SP2022 and compatible SIG Pro models chambered in .40 S&W or .357 SIG. Built from blued steel with exceptional attention to detail, this magazine delivers the same precision fit and reliability you'd expect from the pistol that won France's largest police contract.
SP2022 Magazine Build Quality
The nitride-coated steel body resists corrosion while the high-tensile steel spring maintains consistent feed pressure shot after shot. Inside, a heat-treated anti-tilt polymer follower keeps rounds properly aligned as they feed into the chamber. Factory-drilled and numbered witness holes let you do a quick visual round count without removing the magazine, which comes in handy during training sessions or when you need to verify your ammunition status at a glance. The removable baseplate makes cleaning and maintenance straightforward.
Designed for the SP2022 Platform
This magazine fits the SP2022, SP2340, and SP2009 pistol models. It's a proper full-size magazine that provides a standard carry profile, compatible with factory mag pouches and holster setups. Capacity is 12 rounds, the factory standard for .40 S&W and .357 SIG versions of these pistols. If you own an SP2022 in these calibers and need reliable backup mags or replacements, this is the magazine the gun was tested and manufactured to use.
What Makes This an Essential Spare
Magazines wear out over time, especially if you shoot regularly or carry daily. Having extra factory mags means you're never caught short at the range or in training. Since these are genuine Sig magazines, they maintain the tight tolerances that make the SP2022 run as smoothly as it does. Owners consistently report zero feeding issues with factory mags, so you're covered whether you're plinking at the range or running defensive drills.
Key Specifications
- Manufacturer: Sig Sauer
- Manufacturer Part Number: MAG-2022-43-12
- UPC: 798681257850
- Capacity: 12 rounds
- Caliber: .40 S&W / .357 SIG
- Material: Blued steel body
- Finish: Black blued
- Spring: High-tensile steel
- Follower: Heat-treated anti-tilt polymer
- Baseplate: Removable polymer
- Compatible Models: SP2022, SP2340, SP2009
- Style: Detachable / Double-stack
- Witness Holes: Factory-drilled and numbered
What’s Included
- 1x Sig Sauer SP2022 12-round magazine
Frequently Asked Questions
Will this SP2022 magazine work in other Sig pistol models?
No. SP2022 magazines are specific to the SP2022 platform and won't function in other Sig models like the P226, P229, or P320 series. That's why it's important to grab extras of this specific magazine if you own an SP2022.
Can I use this .40 S&W magazine in an SP2022 chambered in 9mm?
No. This 12-round magazine is specifically designed for .40 S&W and .357 SIG calibers. If you own a 9mm SP2022, you'll need the 15-round 9mm magazine instead. Using the wrong caliber magazine can result in reliability issues or failure to feed.
How long does a magazine like this typically last?
Properly maintained factory Sig magazines last for thousands of rounds and years of use. The high-tensile spring will eventually lose tension with heavy use, and the polymer follower can wear over time, but OEM Sig magazines are built to take punishment. Most users find them reliable well beyond casual shooting and training.
Is the witness hole useful for real-world shooting?
Yes. The numbered witness holes let you glance at the side of the mag and know exactly how many rounds you have loaded without removing the magazine. It's a simple feature that's surprisingly useful during training, competitions, or any time you need a quick ammunition check.






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