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The P365 is one of the most popular carry pistols out there, and good spare magazines for it should be just as dependable as the gun itself. That's exactly what Magpul set out to deliver with the AMAG 15 SG9. It's a 15-round, stainless-steel bodied magazine purpose-built for the SIG Sauer P365 platform, and it carries the same design attention you'd expect from the company behind the PMAG.
The body is heat-treated stainless-steel alloy with polymer sub-components where it makes sense, giving you corrosion resistance that holds up well over the long haul of daily carry. A high-visibility controlled-tilt follower keeps rounds feeding consistently and at the right angle, and the stainless-steel spring is built to maintain tension through years of use. The factory-cut capacity windows start at five rounds and run up the spine in single-round increments, so you always know where you stand at a glance. There's also a paint-pen dot matrix panel on the base for marking mags so you can sort them fast at the range or during a reload.
One of the more practical details here is the floorplate setup. It's flared for easier stripping during a mag change, and it comes off without tools for cleaning and maintenance. The package includes grip extensions compatible with Macro, X/XL, and Standard/Micro P365 frames, so whether you're running the base P365, an XL, or a Macro, you can dial in the fit. The extensions lock in place with the extension plate, which minimizes pinch points and keeps things secure.
This is a solid choice if you're building out your P365 mag kit, stocking up on range-use mags, or just want a reliable backup that won't let you down. Made in the USA.
The AMAG 15 SG9 is designed for the SIG Sauer P365 platform and includes grip extensions compatible with Macro, X/XL, and Standard/Micro frames. That covers the base P365, P365X, P365XL, and P365 Macro. It's worth noting the magazine body itself is the same across these variants; the included extensions let you tailor the grip fit for your specific frame.
For a carry pistol like the P365, stainless steel holds up better against the sweat and humidity that come with extended body contact. It's more resistant to corrosion over time compared to aluminum-bodied magazines, and the material maintains its structural integrity through heavy use. If you're carrying daily or putting high round counts through your mags at the range, the durability advantage is real.
The AMAG 15 SG9 is an aftermarket replacement magazine, not an OEM SIG Sauer part, but it's designed as a drop-in fit for the P365. It functions the same way and feeds reliably. It's priced competitively compared to factory mags, which makes it a popular option for stocking up on spares.
The factory-cut witness holes start at five rounds and continue up the spine in single-round increments, so you can see exactly how many rounds are loaded without stripping the mag. There's also a paint-pen dot matrix panel on the base that lets you mark individual magazines for quick identification during range sessions or training drills.
Yes, the floorplate has a flared design and comes off without tools for easy field-stripping and routine maintenance. Keeping your magazines clean, especially carry mags, is important for long-term reliability, and Magpul made that process straightforward here.
| UPC | 840815150411 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MAG1487-SST |
| Caliber/Gauge | 9mm |
| Capacity | 15 |
| Color | Silver |
| Model | |
| Product Type | Magazine |
| Quantity | 1 |
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