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Ed Brown is best known for some of the finest 1911s ever built, so when they stepped into the Glock magazine space, they brought those same quality expectations with them. The GL-MAG31 is a 31-round 9mm magazine built with a steel liner running inside a polymer outer body — the same construction approach used in factory Glock mags — so you get the structural rigidity of steel with the lightweight profile of polymer.
Compatibility on this one is broad. The 31-round version works in any 9mm Glock pistol, covering the full lineup from the compact G19 and G26 all the way through the full-size G17, G17L, G18, G34, G45, and the G19X. It also functions in AR9 carbines and pistol-caliber builds that take Glock-pattern magazines, which makes it a practical option if you run a PCC alongside your Glock.
The baseplate is embossed with the EB logo and uses the same push-button disassembly style you're already familiar with if you've ever cleaned a standard Glock mag. No special tools, no learning curve.
Ed Brown backs this magazine with the same lifetime warranty they put on their other performance products, which says something about how confident they are in it holding up over time. If you're stocking up for range days, building out a PCC setup, or just want a higher-capacity option to keep on hand, the GL-MAG31 is a well-built mag from a manufacturer with a serious reputation to protect.
Yes, the GL-MAG31 is compatible with the Glock 19X and the full range of 9mm Glock pistols including the G17, G17L, G18, G19, G26, G34, and G45. Keep in mind that on compact models like the G19 and G26, the extended magazine will protrude below the grip, which is completely normal and expected with any 31-round mag.
It does. The GL-MAG31 is designed to function in any AR9mm platform or pistol-caliber carbine that accepts Glock-pattern magazines. This makes it a handy option if you want to run one magazine type across both a Glock pistol and a PCC build.
No, it's not all polymer. The GL-MAG31 uses a steel inner liner inside a polymer outer shell, which mirrors the construction approach of standard factory Glock magazines. The steel liner provides feed lip rigidity and structural support, while the polymer body keeps the weight manageable.
Ed Brown covers this magazine with their lifetime warranty. For a magazine at this price point, that's a meaningful commitment that reflects the company's confidence in the product. If something goes wrong with normal use, Ed Brown stands behind it.
Yes. The baseplate uses the standard Glock-style push-button disassembly system, so takedown for cleaning and inspection is straightforward. The baseplate is also embossed with the Ed Brown 'EB' logo, which is a nice touch for identification.
| UPC | 800732300733 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GL-MAG31 |
| Caliber/Gauge | 9mm |
| Capacity | 31-Round |
| Length | 8 |
| Model | |
| Quantity | 1 |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (OR) | NO SALE TO OREGON |
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