Magpul made its name by making these little devices that attach to magazines to make them easier to draw from your magazine pouch. From there, they expanded into their flagship product, the PMAG. Magpul did not make the first polymer magazine; hell, they probably did make the tenth, but they made the best. Now, they’re taking a swing in the wild with the P320 and P365 AMAG.
Magpul Goes Alloy with the AMAG

The P in PMAG stood for polymer, so what does the A in AMAG stand for? Alloy! Yep, Magpul has stretched out of the polymer game and introduced the AMAG. Magpul started it with the SIG P320, and recently expanded into the world of P365 magazines.
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The Cost of Carrying
One of the worst things about buying new handguns is that, unless it is a Glock, the magazines are ridiculously expensive. Why does an aluminum tube that is probably made by Mec-Gar in Italy cost $50? Only the good lord knows. The fact is, they do not have to cost that much, and Magpul’s AMAGs are about $30 and provide you with that Magpul quality.

Right?
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Let’s find out.
The AMAG and the P365
I have a pile of SIG P365 magazines, but I needed XMACRO magazines. I was testing the Tyrant Defense TWS365, a PDW platform, and it takes XMACRO mags. I needed at least two, and by God, I was not spending OEM money on a pair of magazines, and I would rather set myself on fire than purchase a ProMag.
Each P365 AMAG comes with a series of floor plates and grip extensions that allow the 17 rounder to work with the XMACRO, the XL, and standard guns without issue. The AMAG P365 magazines come in 17, 15, 12, and 10 rounds.
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The magazine bodies are made of stainless steel and have a bright, shiny finish. The rear features witness holes to monitor your capacity. The floor plate features the Magpul dot matrix for easy marking of your magazines. It is a magazine, it does magazine things, but does it do them reliably?
Going Hard With the AMAG
In testing the TWS365, I fired one thousand rounds through the platform and these two magazines. The split was not exactly five hundred and five hundred. Doing reload drills and drills in general call for different ammo requirements, so who knows how many rounds each mag has through it.
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I know they were enough to make them both filthy dirty. The AMAG took the abuse and kept running. In reload drills, the magazines were constantly hitting the ground. I shoot at a range with a fine sand bottom, so the magazines often land on the follower, burying sand inside the magazine.
Torture Testing and Results
This created plenty of grit and grind as I loaded the guns. They just kept running. They never tapped out, and I never cleaned them. It got bad enough that the suppressor got locked to the booster, which required me to clean the can, but I never cleaned a single AMAG.
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In 1000 rounds, I had zero magazine-related malfunctions. The AMAGs run and run hard. I have yet to clean them, and I do not plan to do it anytime soon. The AMAGs are a grand slam for me, and will be my go-to for the P365 from now on.
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