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10mm is no joke as a cartridge, and the Glock 20, 29, and 40 platform has earned a serious following because of it. Whether you're running a G20 for woods carry, a G40 in competition, or a compact G29 as a backup, having a reliable spare magazine matters. The ETS GLK-20 slots right into all three models and gives you 15 rounds of 10mm in a clear polymer body that lets you see exactly what you've got loaded without any guesswork.
The polymer ETS uses on these magazines isn't the standard stuff. It's formulated for extreme impact resistance, UV stability, and the kind of temperature swings that would turn cheaper plastic brittle over time. The feed lips are creep-resistant, meaning you can store this magazine fully loaded for extended periods without worrying about the body widening or the lips spreading out of spec. The non-tilt follower keeps rounds stacking reliably and helps the slide lock back consistently on the last round.
One of the more practical touches is the base plate design. It pops off easily for cleaning and maintenance, and it's built to be compatible with Glock magazine extensions if you ever want to swap one on down the road. The floor plate itself is shaped with enough grip to pull cleanly from mag pouches without fumbling. It's a small detail, but it's the kind of thing that adds up when you're running the gun hard at the range.
ETS is a USA-made brand that backs their magazines with a lifetime warranty, which is worth noting at this price point. The GLK-20 comes as a single magazine per package.
Yes, the GLK-20 is designed to fit the Glock 20, 29, and 40 across generations. These three models all share the same 10mm double-stack magazine platform, so compatibility is consistent. If you have any doubts, it is always worth doing a quick function check before heading to the range.
That is one of the specific design goals ETS built into this magazine. The feed lips and body use a creep-resistant polymer formulation that is engineered to hold its shape even during extended loaded storage. Most quality polymer magazines can handle being stored loaded for long periods without issue, and the GLK-20 is built with that in mind.
Yes, the base plate on the GLK-20 is specifically designed to be compatible with common Glock magazine extensions. The base plate also disassembles easily for cleaning or swapping, making it straightforward to run an extension if you want extra capacity down the line.
The fully translucent body lets you see exactly how many rounds are left and what type of ammunition is loaded without pulling the magazine out and counting. It is a practical feature during training, especially when you are doing drills and want to keep track of your round count quickly between strings of fire.
ETS Group, which stands for Elite Tactical Systems Group, manufactures these magazines in the USA. All ETS magazines are backed by a lifetime warranty, which is a strong commitment at this price point and reflects the brand's confidence in their polymer construction.
Yes, the Glock 29 is specifically listed as a compatible model. When you insert a full-size G20 magazine into the G29, it extends slightly past the grip, which is normal and works with the factory extended base plate or a grip sleeve if you prefer a flush-ish look. It is a common setup for G29 owners who want more capacity.
| UPC | 854094005683 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GLK-20 |
| Brand Fit | Glock |
| Caliber/Gauge | 10mm |
| Capacity | 15 |
| Color | Clear |
| Model | |
| Model Fit | G20,29,40 |
| Product Type | Magazine |
| Quantity | 1 |
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