From: $329.00
*All Accessories Sold Separately
The next generation of Micro Roni is here! We improved our past generation models into the ultimate conversion kit. Micro Roni Generation 4, we Call it the MCK and it’s 100% made in the USA.
This Micro Conversion Kit is a lightweight and sturdy platform for Glock handguns, turning it into the ultimate Glock Conversion Kit. It has a barrel shroud made of aluminum with a polymer body.
It is greatly improved from previous generations of the Micro Roni Stabilizer. Available for select Gen 3, 4, and 5 Glock models.
Don't See Your Gun Make or Model Below? [ Find Your MCK Here ]
The extended stabilizer, which now comes standard, enables one-handed firing for better shooting performance. It also comes with a Velcro® strap fastener which provides a custom fit to any user. MCK is the most cost effect conversion kit in the world. Fastest assembly/disassembly conversion kit on the market. Improving accuracy dramatically up to 200 yards. Upgrade your Glock pistol into a full-featured PDW using our rugged Handgun Conversion Kit, the most popular Pistol Conversion Kit and pistol Chassis system in the world. Our Glock 19 conversion kit is designed for maximum versatility, offering a secure and reliable fit across an exceptionally wide variety of Glock models including the 17, 19, 19X, 20, 21, 22, 23, 26, 27, 30, 31, 32, 33, 34, 35, 43, 43X, 45, 48 and their various generations.
Top Features:
MCK Measurements:
What is included in the Advanced Upgrade Kit:
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Conversion Kits for:
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1st Responders Discounts© 2026 RIGHTS RESERVED CAA USA LLC // Meta Tactical LLC // Proudly Designed, Developed & Made in the USA By Plastimold Products LLC
Constructed of high-impact polymer and TPE rubber—lighter and more durable than conventional rubber. Fires folded and locked. Compatible with Gen 1 & 2 MCKs; secures via Velcro arm strap. Exclusively licensed to CAA USA by SB Tactical (patent owner)—the only authorized MCK brace kit. Non NFA item.
The MCKGEN2 Stock is the NFA rifle stock exclusive to the MCKGEN2 platform. Designed to shoulder while firing, it delivers optimal comfort, ergonomics, stability, and accuracy. Note: Installing a stock converts a pistol into a Short-Barreled Rifle (SBR), requiring ATF/NFA compliance.
The Stabilizer Brace is the short replacement stock for both MCK and Micro RONI® platforms. It enables one-handed firing with a custom-fit hook-and-loop fastener and adjustable nylon brace. Features a folding mechanism for stability and includes a forearm strap for single-handed support—without converting your handgun into an SBR. Designed mainly for the US market.
The TAC Kit transforms your Micro Conversion Kit into a compact setup with a One-Point Sling (Push Button Swivel) and thumb rests, inspired by HK MP5K dynamics. Full arm extension plus bungee resistance creates a steady platform for better accuracy and control. Includes a forearm strap for single-handed support without converting your handgun into an SBR.
What's The Difference Between a Stabilizer vs. Short Stabilizer vs. Stock vs. TAC?:
Find out if your pistol is compatible out of the box or if it requires an upgrade kit.
Select your gun's manufacturer and exact model above to verify setup compatibility.
Great product! Easy to use and accurate as well. 5 stars
The MCK Gen 2 from CAA was so easy to set up. The charging handle I needed for my Glock 22 Gen 5 was labeled and easy to identify. Love the product, can’t what to take it to the range and sight it in!
Outstanding kit! Once together, it’s a tight,compact super fun machine!
I got the accessory kit with it as a package: sling, flip up sights, thumb rests and the flashlight. I was able to attach my suppressor to the weapon and have the majority of it internally – inside the kit, which was the main selling point for me.
BE ADVISED- I could NOT get the kit fully together on my gen 5 g19 and here’s why; I had the beavertail backstrap on it prior to getting the kit.
After several frustrating minutes of trying it on my own, I called and had a conversation with an extremely patient Jay F. with customer service. Jay soon had me removing the beavertail blackstrap and it slid right in (giggity). So if your putting a beaver tailed weapon in the kit, remove the beavertail!
I put a cyelee T10 red dot on the picatinny rail and the flip up sights are perfect fit for the co-witness. The sights did arrive a little off center, but that’s an easy fix at the range.
Folded up this fits in a small backpack. Getting it “ready” quickly is not a problem.
After a few hundred rounds with this one, I may do another for a different caliber.
Highly recommend! And another thank you to Jay!
Works and feels amazing! Took it to the range a few days after getting it, and couldn’t be happier with the performance. Everyone thought it was pretty cool, and even let a few people try it out! Will be ordering another soon!