Description
This is the factory magazine you want for your P938 Legion. It's built from stainless steel with a stainless steel follower and high-tensile wire spring that work together to keep your rounds perfectly aligned and feeding smoothly, even during demanding range sessions or defensive carry situations.
The polymer baseplate extends slightly from the grip to give you a more secure hold. That extra bit of real estate matters when you're controlling recoil on a small frame, especially if you've got bigger hands or just want a more positive grip. You get one additional round compared to the standard six-round magazines, which gives you seven rounds total of 9mm firepower.
Witness Holes Make Load Checks Quick
Factory-drilled side witness holes let you do a fast visual round count without pulling the magazine from your gun. That's a practical feature that saves time at the range or when you're checking your carry load in low light.
Made for the Legion Platform
Here's something important: this is the MAG-938-9-7-LEGION, and it's specifically designed for the P938 Legion. Earlier P938 models used the MAG-938-9-7, which looks similar but won't work with the Legion's extended magwell. This magazine is engineered to function with the Legion's specific platform.
As a factory original part, this magazine meets the same rigid standards Sig Sauer applies to all its components. The stainless construction resists corrosion, and the internal design ensures consistent performance across different ammunition and shooting conditions.
Key Specifications
- Manufacturer: SIG SAUER
- Manufacturer Part Number: MAG-938-9-7-LEGION
- UPC Code: 798681605644
- Compatible Model: P938 Legion
- Caliber: 9mm Luger
- Capacity: 7 rounds
- Magazine Body: Stainless Steel
- Follower: Stainless Steel
- Spring: High-Tensile Steel Wire
- Baseplate: Black Polymer with Extended Grip
- Witness Holes: Yes – Side Witness Holes
- Overall Length: 8.4 inches
- Weight: 1.8 ounces
- Magazine Style: Single-Stack Detachable
- Finish: Stainless/Black
What’s Included
- One 7-round 9mm magazine for Sig Sauer P938 Legion
Frequently Asked Questions
Will this P938 Legion magazine work with my standard P938?
No. The P938 Legion magazine (MAG-938-9-7-LEGION) is specifically designed for the Legion model with its extended magwell. The standard P938 uses a different magazine (MAG-938-9-7). Using the wrong magazine can affect reliability and fit, so you'll want to verify you have the right one for your specific model.
What's the benefit of the 7-round capacity versus the 6-round magazine?
You get one additional round of 9mm capacity plus an extended grip thanks to the polymer baseplate extension. For smaller-framed guns, that extra magazine length gives you a more secure purchase, especially if you have larger hands or prefer a fuller grip. The witness holes also let you see your round count at a glance.
Are the witness holes useful for checking ammo during carry?
Yes. The side witness holes give you a quick visual way to confirm you're loaded up without drawing the magazine. At the range or during a reload check, you can see exactly how many rounds you have left instead of guessing or unloading to count.
Is this magazine durable for regular training and carry?
Factory magazines built to Sig Sauer's specifications are engineered for extended use. The stainless steel body, hardened spring, and steel follower are designed to handle thousands of rounds and consistent carry cycles. Regular inspection for damage is always smart practice with any magazine.






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