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This is the factory Sig Sauer 25-round extended magazine built for the P365 family of pistols. It packs impressive capacity into a compact package that's compatible with all 9mm P365 variants, including the X-Macro, standard models, X, XL, AXG-Legion, and FUSE. The magazine's steel construction provides durability you'd expect from a factory Sig product, backed by years of proven reliability across the P365 platform.
The design includes practical features that make it useful whether you're running drills at the range or carrying for defense. Rear witness holes let you verify your round count at a glance, and the bright orange follower gives you instant visual feedback when the magazine is empty. The black oxide finish resists corrosion and keeps things low-profile.
One thing worth noting: this magazine seats flush with the larger grip modules like the X-Macro, AXG-Legion, and FUSE, but you'll see a visible gap if you use it in the standard P365, P365X, or P365-XL grip modules. That's just how the extended baseplate is engineered. The 25-round capacity makes this a compelling choice for anyone looking to maximize their P365's firepower without completely changing their carry gun.
Yes, it's compatible with all 9mm P365 models. However, you'll notice a visible gap between the magazine and your grip module on the standard P365, P365X, and P365-XL. The magazine sits flush only with the larger X-Macro, AXG-Legion, and FUSE grip modules. If the gap bothers you aesthetically, magazine sleeves are available to fill the space.
The rear witness holes are small openings numbered down the back of the magazine body. You can glance at the side of your gun and quickly see which holes are visible to determine your remaining round count without unloading or manipulating the magazine.
The orange polymer follower sits on top of your loaded rounds and drops to the bottom of the magazine when empty. This gives you instant visual confirmation of whether the magazine is loaded or empty, which is faster than trying to feel the weight or count witness holes in the dark.
Factory Sig magazines can feel stiff when you're loading them to full capacity, especially early on. This is normal and actually a sign of a tight, reliable feed system. Most users report the magazine breaks in after regular use and gets easier to load without losing any reliability.
Absolutely. This is one of the strengths of the P365 family. You can move this 25-round magazine between any 9mm P365 variant you own, whether you have the standard model, X, XL, or X-Macro. Just keep in mind the flush fit situation with smaller grip modules.
This is a factory Sig Sauer magazine engineered to the same specifications as what ships with P365 pistols. Factory magazines are typically more reliable for feeding consistency and are backed by Sig's quality control. While third-party options exist, factory mags are the proven standard for this platform.
| UPC | 798681729746 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 8901941 |
| Caliber/Gauge | 9mm |
| Capacity | 25 |
| Color | Black |
| Product Type | Magazine |
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