Description
This is the factory Sig Sauer 10-round magazine designed specifically for the standard P365 micro-compact pistol. Built from durable steel with a black oxide finish, it delivers the reliability you expect from Sig Sauer while keeping your carry gun as compact as possible.
The flush-fit design makes a real difference for everyday carry. Unlike extended magazines, this one sits right at the base of the grip, maintaining the P365's slim profile that makes it so popular for concealed carry. The coyote brown polymer baseplate adds a subtle finish that works well with modern carry setups and matches a lot of current gear.
Side witness holes on the magazine body let you quickly verify how many rounds you have loaded without removing it from your pistol. This is a practical feature when you're running drills or just want to know what you've got ready to go. The magazine uses a precision-formed steel body with a high-tensile spring and polymer follower designed for smooth, reliable feeding.
Keep in mind that this 10-round version is made only for the standard P365 micro-compact. It's not compatible with the P365X or P365-XL models, which use different magazine dimensions. If you've got one of the larger variants, you'll need the specific magazines designed for those platforms.
Key Specifications
- Manufacturer: Sig Sauer
- Model: P365
- Caliber: 9mm
- Capacity: 10 Rounds
- Material: Steel
- Finish: Black Oxide with Coyote Brown Baseplate
- Design: Flush-fit
- Features: Side witness holes, polymer follower, removable baseplate
- Manufacturer Part Number: MAG365910COY
- UPC: 798681619207
What’s Included
- 1x P365 10-round magazine
Frequently Asked Questions
Will this 10-round magazine work with my P365X or P365-XL?
No, this flush-fit 10-round magazine is designed only for the standard P365 micro-compact. The P365X and P365-XL use different grip modules and require their own specific magazines. Using the standard P365 mag in the larger frames will result in a gap at the baseplate and feeding issues.
What do the witness holes on this magazine show?
The side witness holes let you see the ammunition rounds inside the magazine from the side of the gun. This gives you a quick visual way to verify how many rounds are loaded without removing the magazine or looking down the top.
How many magazines should I carry or train with?
That depends on your situation, but most people who carry regularly have at least two to three magazines. One loaded in the gun and one or two spares give you flexibility for training and ensures you have a reliable backup loaded and ready.
Is the baseplate removable for cleaning?
Yes, the polymer baseplate is removable, which makes it easy to take the magazine apart for cleaning, inspection, or maintenance. You can pop it off without any special tools.
How does the flush-fit design compare to extended magazines?
Flush-fit magazines sit right at the base of the grip, keeping your P365 as compact as possible for concealed carry. Extended magazines like the 12-round option stick out below the grip and give you more rounds and potentially better grip space, but at the cost of a slightly bigger carry footprint.





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