Description
The Meta Tactical MCK Gen 3 is the stock-equipped version of one of the most popular Glock conversion chassis ever built. Drop your compatible Gen 3 Glock into the kit, lock it down, and you have a stable, accurate shooting platform in seconds. No tools, no permanent changes, no pulling your pistol apart. It fits a wide list of Glock models including the 17, 19, 19X, 22, 23, 25, 31, 32, and 45, so odds are your everyday Glock will click right in.
What Sets the MCK Gen 3 Apart
The big story with the Gen 3 is the redesigned charging system. Older kits relied on the slide serrations to run, which limited your aftermarket options. This version uses the Gen 3 charging handle, so you can run aftermarket slides, sights, and best of all, a slide-mounted red dot or RMR right inside the chassis. Because the optic stays on your slide, it keeps its zero and you never have to re-sight it after pulling the pistol out. The suppressor channel was also opened up to clear a 1.56-inch diameter, and you can fire with the stock folded when you need a shorter footprint.
Handling, Rail Space, and Cleanup
A longer sight radius and multiple points of contact make a real difference downrange. The dual-side folding stock works for righties and lefties, and the height was tuned for a proper cheek weld and comfortable eye relief. Up top you get a 4.6-inch aluminum Picatinny rail for irons or an optic, plus side rails for thumb rests, lights, and other gear. There is a front spare magazine holder for fast reloads and an exposed slide release so your controls stay natural. The Gen 3 also brought a front adapter that shields the interior from carbon buildup and pops off for an easy rinse, which keeps fouling off your slide and out of the chassis.
Made in the USA, the MCK Gen 3 is a lightweight polymer body over an aluminum barrel shroud. It is a proven, no-fuss way to get carbine-style handling and better accuracy out of a pistol you already own and trust.
Key Specifications
- Manufacturer: Meta Tactical (CAA)
- Manufacturer Part Number: MCKGEN3
- UPC: 814716052211
- Model: Micro Conversion Kit Gen 3
- Stock Type: Black Synthetic Folding Stock
- Finish: Black
- Fits: Gen 3 Glock 17/19/19X/22/23/25/31/32/45
- Charging System: Gen 3 charging handle, not serration dependent
- Optic Compatibility: Slide-mounted red dot / RMR ready
- Top Rail: 4.6-inch aluminum Picatinny
- Suppressor Clearance: Fits up to 1.56-inch diameter
- Body Construction: Polymer body with aluminum barrel shroud
- Country of Origin: USA
What’s Included
- MCK Gen 3 Micro Conversion Kit chassis (black)
- Black synthetic folding stock
- Gen 3 charging handle
- Front spare magazine holder
- Manufacturer limited warranty
Frequently Asked Questions
Which Glocks does the MCK Gen 3 fit?
This kit is built for Gen 3 Glock models, covering the 17, 19, 19X, 22, 23, 25, 31, 32, and 45. It is not compatible with Gen 1 or Gen 2 Glocks because those frames lack the forward universal accessory rail the chassis needs. Always confirm your exact model and generation before ordering.
Can I run a red dot with the MCK Gen 3?
Yes, and that is one of the standout upgrades on this generation. The redesigned charging system lets you keep a slide-mounted red dot or RMR on your pistol while it sits inside the chassis. Since the optic never leaves your slide, it holds its zero when you pull the Glock out.
Do I need any tools to install my Glock in the kit?
No tools and no disassembly required. You simply drop your compatible Glock into the chassis, lock it in place, and you are ready to go. Getting the pistol back out is just as quick, which makes range trips and storage painless.
What is the difference between the stock version and the brace version?
This SKU is the stock-equipped model, which gives you a shoulder-fired configuration with a solid cheek weld and longer sight radius. The dual-side folding stock swings to either side for right or left-handed use and locks folded for a compact footprint. The brace version instead ships with an arm stabilizer rather than a stock.





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