Description
The Sig Sauer P365X/XL 10-round flush magazine gives you a micro-compact carry solution that doesn't compromise on function. Built from nitride-coated steel with a removable polymer floor plate, this magazine is engineered to the same standards as your pistol, ensuring feed reliability through thousands of rounds.
What Makes the Flush-Fit Design Work
The key advantage here is how the flush-fit profile keeps your grip clean and snag-free. Unlike extended magazines that protrude from the grip, this magazine sits perfectly aligned with the frame of the P365X and P365XL. That means no printing under concealment, faster draw speed from a holster, and no edges catching on clothing during movement. It's the magazine many choose when deep concealment matters most.
Built for Real-World Use
This isn't a cheaply made afterthought. Sig sources and manufactures these magazines to their exact specifications, which is why you see consistent quality across units. The witness holes are factory-drilled and numbered, allowing you to visually confirm remaining rounds at a glance without removing the magazine. The heat-treated polymer follower keeps rounds stacked cleanly without tilting, and the high-tensile steel spring delivers reliable feeding even after hundreds of loading and unloading cycles.
Compatibility Worth Understanding
This magazine works specifically with P365X and P365XL platforms and isn't compatible with the standard P365 grip module. That compatibility matters when you're building a setup, so verify your pistol's configuration before ordering. Once you've got the right platform, the direct-fit design makes installation and removal straightforward.
Key Specifications
- Manufacturer: Sig Sauer
- Model Number: 8900250
- UPC: 798681629718
- Caliber: 9mm Luger
- Capacity: 10 rounds
- Magazine Style: Flush Fit
- Construction Material: Nitride-coated steel
- Floor Plate: Removable polymer
- Compatible Models: P365X, P365XL
- Features: Witness holes, heat-treated follower, anti-tilt design
- Finish: Black
- Weight: 0.25 lb
- Quantity per Package: 1 magazine
What’s Included
- 1x Sig Sauer P365X/XL 10-round magazine
Frequently Asked Questions
Will this 10-round magazine work with my standard P365?
No. This flush-fit magazine is designed specifically for the P365X and P365XL and is not compatible with the standard P365. The standard P365 has a shorter grip module that won't accept this magazine. Make sure you're running the X or XL platform before ordering.
How do the witness holes work on this magazine?
The magazine features factory-drilled and numbered witness holes along the side that let you see exactly how many rounds are loaded without removing the magazine from your grip. This is especially handy during reloads or when checking your loaded status before carrying.
Can I use this magazine with the 12-round P365X/XL magazines I already own?
Yes, both work in the same pistols. Many carry the flush 10-rounder for maximum concealment and keep 12-round magazines for range use or when clothing allows. They're not interchangeable between platforms, but they work great in the same X or XL grip module.
Is this magazine made in the USA?
Sig Sauer sources these magazines from multiple manufacturers to their exact specifications. Some units may be made in the USA and others elsewhere, so there can be slight variations in stamping and finish color between examples, though all meet the same quality standards.





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