Description
This is the standard factory magazine for your P938, and it's built the way Sig Sauer engineered it to perform. You get a nitride-coated steel body that resists corrosion and stands up to regular use, backed by a high-tensile steel spring and heat-treated polymer follower to keep feeding smooth every time.
Flush-Fit Design Made for Carry
The flush-fit polymer floor plate sits seamless with your P938's frame, so there's nothing to snag when you're drawing or reholstering. You keep the compact profile that makes the 938 such a solid choice for concealed carry, without any extra bulk printing on your hip. Six rounds is tight, but it's what the gun was designed around, and for a gun this small, it delivers.
Built-In Reliability Features
Sig drilled witness holes into the magazine body so you can do a quick round count without having to remove it or dump the rounds. That matters on the range or in training when you're managing your ammo count on the fly. The anti-tilt follower keeps rounds feeding straight, so you won't get the angle issues that plague some other compact mags. If you're running factory Sig mags across your collection, you already know the quality standard here.
Spare Mag Backup You Can Trust
Any carry gun should have at least one spare magazine. This one drops right in, feeds reliably, and maintains that low profile. Mag failures are rare with factory equipment like this, but having a backup loaded and ready has saved more than a few people at the range.
Key Specifications
- Manufacturer: Sig Sauer
- Manufacturer Part Number: MAG-938-9-6
- UPC: 798681439737
- Caliber: 9mm Luger
- Capacity: 6 Rounds
- Material: Nitride-Coated Steel
- Magazine Type: Detachable
- Finish: Stainless Steel
- Fit: Sig Sauer P938
- Magazine Length: 8.4 inches
- Floor Plate Style: Flush-Fit Polymer
- Follower: Heat-Treated Anti-Tilt Polymer
- Spring: High-Tensile Steel
- Witness Holes: Yes
What’s Included
- 1x Sig Sauer P938 6-Round 9mm Magazine
Frequently Asked Questions
Will this 6-round magazine work with other Sig pistols?
This magazine is designed specifically for the Sig P938 9mm. While some users report it may fit other models in a compatible family, it's engineered and tested for the P938, so that's where you should count on it to perform. If you're running multiple pistols, stick with factory mags for each model.
How does the flush-fit design compare to the extended 7-round magazine?
The 6-rounder keeps your P938 as compact as it gets and maintains a flush profile for concealed carry without any protrusion. The optional 7-round extended mag adds an extra round and a pinky extension for better grip control, which some people prefer if they have larger hands. Both are factory options, so it comes down to whether you value maximum concealment or extra rounds and grip.
What makes Sig factory magazines better than third-party alternatives?
Factory OEM magazines are manufactured to the exact same specs as what came with your pistol, so fit and feeding are guaranteed. They use quality materials throughout, from the nitride coating to the heat-treated followers. Third-party mags might work, but you lose that engineering certainty. With carry guns especially, most people stick with what the manufacturer tested and validated.
Can I see how many rounds are in the magazine without opening it?
Yes, that's what the factory-drilled witness holes are for. You can glance at the side and count the holes to know exactly how many rounds are loaded, which is handy on the range or if you're doing a quick inventory of your magazines.






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