Description
Mec-Gar has been building magazines for the biggest names in the firearms world since 1965, and this 20-round mag for the Glock 17 is a great example of why so many people trust them. It takes your standard 9mm Glock 17 from 17 rounds up to 20, giving you three extra shots before a reload without swapping out any parts on your pistol. The tube is heat-treated carbon steel wrapped in an anti-friction coating, so loading stays smooth and the body shrugs off rust and general wear from range trips and holster time.
What Sets This Mec-Gar Glock 17 Mag Apart
The internals are where Mec-Gar earns its reputation. A high-tensile music wire spring keeps steady pressure round after round, and the high-visibility green polymer follower resists tilt while making it easy to see when the mag is running empty. Feed lips are precision formed to guide each cartridge up cleanly, which is exactly what you want whether you're running drills or keeping one loaded for home defense. The Flat Dark Earth polymer floorplate finishes it off and gives the mag a little visual character sitting below the grip.
Fitment and the Factory Mag Release
One of the best things about this design is that it works with your factory Glock magazine catch. You do not need to install a metal button or modify your pistol to run it. It drops in and locks up snug with minimal wobble. Worth knowing: standard Glock replacement floorplates won't swap onto this magazine, and it isn't built for the Stealth Arms Platypus. It also runs in pistols and carbines that accept Glock 17 magazines, so it's a flexible pickup if you've got more than one Glock-pattern gun.
Built in Italy, Ready for the Range
Every Mec-Gar mag is made in Italy using tight tolerances and quality materials, and they've supplied militaries and law enforcement around the world for decades. If you want a dependable extended mag that feeds like a factory unit and looks sharp doing it, this one earns its spot in the range bag.
Key Specifications
- Manufacturer: Mec-Gar
- Manufacturer Part Number: MGG172005A
- UPC: 765595900080
- Compatible Firearm: Glock 17 (and pistols/carbines that accept Glock 17 mags)
- Caliber: 9mm Luger
- Capacity: 20 rounds
- Body Material: Heat-treated carbon steel
- Coating: Anti-friction
- Follower: High-visibility green, high-impact polymer
- Spring: High-tensile music wire
- Floorplate: Flat Dark Earth polymer
- Color: Flat Dark Earth
- Length: 6.8 in
- Country of Origin: Italy
What’s Included
- One (1) Mec-Gar Glock 17 20-round 9mm magazine with Flat Dark Earth floorplate
Frequently Asked Questions
Do I need to change my Glock's magazine release to use this Mec-Gar mag?
No, you don't. This magazine is designed to work with your factory Glock magazine catch, so there's no need to install a metal button or modify your pistol. It drops right in and locks up like a standard mag.
Will this Mec-Gar magazine fit guns other than the Glock 17?
It's built for the Glock 17, but it will also run in pistols and carbines that accept Glock 17 magazines, including the Glock 47. Just keep in mind it isn't compatible with the Stealth Arms Platypus.
Can I swap on a standard Glock floorplate?
No, standard Glock replacement floorplates will not fit this magazine. It uses Mec-Gar's own Flat Dark Earth polymer floorplate, so plan to run the plate it comes with.
How is the feeding and build quality on this Mec-Gar Glock 17 magazine?
Mec-Gar has been supplying magazines to major firearm makers and militaries since 1965, and it shows. The heat-treated carbon steel body, music wire spring, and anti-tilt green follower deliver smooth, consistent feeding, and the anti-friction coating makes loading easier while fighting off corrosion.





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