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If you need a reliable polymer alternative for your Glock 17 that pairs function with tactical design, FAB Defense's ULTIMAG 10L delivers solid engineering in a compact package. Built from reinforced polymer composite with a steel spring, this magazine holds 10 rounds of 9x19mm and includes two specialized floor plates: a discreet base plate for concealed carry and a tactical variant with aggressive texturing for gloved or wet-condition handling. The magazine comes with the discreet plate pre-installed, letting you swap to the tactical plate based on your needs.
FAB Defense engineered this G17 magazine to withstand real-world use. The reinforced polymer resists impact and crushing, meaning it'll hold up through range sessions, tactical training, and storage without becoming brittle or warping. The multi-textured grip surface keeps the mag secure in your hand whether you're running wet-weather drills or shooting in gloves, and the internal low-friction follower prevents tilt for smooth, reliable feeding every time.
A feature that sets this mag apart is the visual round counter showing even numbers from 4 to 10, so you can instantly see your ammo status at a glance. Maintenance is straightforward too—disassembly requires no tools, just a quick hand-separation process that makes cleaning and spring replacement a five-minute job without needing a mag stripper tool.
The ULTIMAG 10L works across all Glock 17 generations, making it a no-fuss addition whether you're running a Gen 3, 4, or 5. The specialized floor plates also allow for magazine coupling options if you want to rig two mags together, adding flexibility beyond basic carry and storage.
Yes, this mag works with Glock 17 Gen 1 through Gen 5 without any modifications. It's also compatible with the Glock 34 if you need a secondary magazine across platforms.
The discreet (concealable) plate is slim and designed for carry and storage, while the tactical plate has aggressive texturing and a slightly extended profile for faster extraction with gloves on or during rapid reloads. The tactical variant also makes it easier to manipulate the mag if you're wearing gear.
This magazine is designed specifically for the Glock 17. While some users pair G17 mags with G19 and G26 frames using grip extensions, that's outside the original design intent and isn't recommended for reliable feeding.
The magazine has small witness ports on the side that let you see your round count at a glance. You'll see visual indicators for even numbers starting at 4 rounds and going up to 10, making a quick ammo check faster than physically removing the mag and looking inside.
| UPC | 7290111587054 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FXUMAGG1710LB |
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