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The Glock 43 is a proven carry gun, but its factory 6-round magazine leaves you wanting more firepower in a defensive situation. The ProMag GLK13 answers that with 10 rounds of 9mm capacity in a magazine that keeps the same slim profile you're carrying for. It pairs a DuPont Zytel polymer body with a full-length steel internal insert, so you get durability that mirrors what you'd find in factory Glock magazines without the cost.
ProMag engineered this one with the details that matter. The polymer body uses injection-molded construction, and the spring is heat-treated chrome silicon wire. The follower is also injection-molded for consistent feeding. That steel insert running the full length of the magazine keeps the feed lips from deforming under pressure, which is what causes feeding problems with lesser polymer magazines. You're looking at a magazine designed to eat ammo reliably, whether you're running it at the range or keeping it as a backup.
One thing you'll notice right away is that the GLK13 sits noticeably taller than the factory Glock 43 mag, but it still pockets well and carries discreetly with the right holster setup. Users report it fits snugly in jeans pockets without protruding too far. New magazines sometimes have stiff springs out of the box, so expect to run it through a few magazines worth of rounds before the spring loosens up completely. Once broken in, loading all 10 rounds becomes smooth and easy.
ProMag backs this magazine with a lifetime warranty against manufacturer defects, and it's made right here in the USA. Whether you're building out a spare magazine rotation for the range or running this as a defensive backup, you get a solid, field-tested design without the premium price of factory Glock magazines.
Yes, the GLK13 is designed specifically for the Glock 43. Keep in mind it's a 10-round magazine, so it sits taller than the factory 6-round magazine. The magazine is engineered to work with the Glock 43's magazine well and will chamber and feed 9mm reliably once broken in.
New ProMag magazines come with stiff springs, so you should expect to run a few hundred rounds through it or load and unload it multiple times before the spring loosens and loading becomes effortless. Once broken in, feeding runs smoothly. This is normal for polymer magazines and doesn't indicate a defect.
The GLK13 uses the same DuPont Zytel polymer and full-length steel insert design that Glock uses, so construction quality is comparable. The main difference is capacity and cost. You're getting 4 extra rounds at a fraction of the price of multiple factory magazines.
The GLK13 works well for range and training use. As with any aftermarket magazine, test it thoroughly in your specific firearm and with your carry ammunition before depending on it for defense. Many shooters prefer factory Glock magazines for everyday carry due to their proven track record, while using aftermarket options like the GLK13 as backup mags or for range practice.
| UPC | 708279013942 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GLK 13 |
| Brand Fit | Glock |
| Caliber/Gauge | 9mm |
| Capacity | 10 |
| Color | Black |
| Length | 5.7 |
| Model | |
| Model Fit | G43 |
| Package Height | 1.1 |
| Package Width | 4.4 |
| Product Type | Accessory-Magazines |
| Quantity | 1 |
| Shipping Weight | 0.2 |
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