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Glock 20/21 | Micro Conversion Kit (Gen1)
(173 customer reviews)

Glock 20/21 | Micro Conversion Kit (Gen1)

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From: $249.00

*Not compatible with Gen1 & Gen2 models of Glock

*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 Micro Conversion Kit, or simply MCK and it’s 100% made in the USA.

This Micro Conversion Kit fits multiple handgun models, into one platform, and helps convert your pistol into the ultimate submachine gun.

It is significantly improved from previous generations of the Micro Roni Stabilizer. Available for select Gen 3, 4, and 5 Glock models.

*Compatible w/ Glock 20 / 21 / 21 SF (models that have Universal Glock Rail)*

Your Glock 20/21 MCK (Gen1) Selection

Optional Advanced Kit

All of the BEST accessories available for your MCK all in one place! Save a few dollars when you bundle our 500 lumen MCK mounted flashlight/housing, backup flip sights, thumbs rests, sling and sling swivel. Everything to get you to the range and accurate right out of the box!

Optional Micro Red Dot (Includes Riser)

Improve your accuracy and vision with the Micro Red & Green Dot from CAA and Crimson Trace. Includes Riser.

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Frequently Bought Together

This Micro Conversion Kit is a lightweight and sturdy platform for Glock handguns. It has a barrel shroud made of aluminum with a polymer body. 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 effective conversion kit in the world. Fastest assembly/disassembly conversion kit on the market. Improving accuracy dramatically up to 200 yards. We are the exclusive licensee of the SB tactical stabilizer brace for the handgun conversion kits.

Top Features:

  • No pistol disassembly required – Just place pistol into the kit, lock, and go
  • Allows for multiple handgun models into one platform
  • Ergonomic Finger Groove Grip for more stability
  • Top Picatinny rail, allowing a combination of sights and/or optics
  • Side Picatinny rails for mounting additional accessories, i.e… thumb-rests
  • Ambidextrous, fast and easy handling
  • Right-folding stock/arm brace for easy concealment and carry, locks in the folded position
  • Front spare magazine holder for a faster reload
  • Built-in charging handle allowing for quicker assembly/disassembly
  • Exposed slide release for direct contact and easier use
  • Allows for quicker assembly-disassembly
  • Perfect for safe action
  • Fits multiple handgun models
  • Easy concealment and carry
  • Perfect for law enforcement

MCK Measurements:

  • Width: 2.48″
  • Height: 5.70″
  • Length: 13.70″

What is included in the Advanced Upgrade Kit:

  • Polymer-pair side rail thumb rests (MCKTHR)
  • Push button sling swivel (MCKPBSS)
  • One point sling (MCKOPS)
  • Flashlight that fits MCK & Micro Roni 17 / 19 chassis (MCKFL)
  • Polymer front flip-up sight (MCKFBUS),
  • Polymer front rear-up sight (MCKRBUS)

Handgun Model

Glock 20/21

Stock

Stabilizer, NFA Stock, Short Stabilizer, Gen 2 Stabilizer (Add 20)

Color/Pattern

Black, White, Red, Blue, Orange, Pink, Green – ODG, Tan – FDE, Grey – Tungsten, Clear (Add 25), True Timber (Add 100), True Timber Viper (Add 100), Real Tree (Add 100), Mossy Oak (Add 100)

Top Picatinny Rail

Polymer, Aluminum (Add 35)

Your Glock 20/21 MCK (Gen1) Selection

Handgun Model

Glock 20/21

Stock

Gen 2 Stabilizer (Add 20), NFA Stock, Short Stabilizer, Stabilizer

Top Picatinny Rail

Aluminum (Add 35), Polymer

Color/Pattern

Black, Green – ODG, White, Tan – FDE, Grey – Tungsten, Blue, Orange, Red, Pink, Clear (Add 25), True Timber (Add 100), True Timber Viper (Add 100), Mossy Oak (Add 100), Real Tree (Add 100)

Compatibility

Owner's Manual

MCK Owner's Manual

Disclaimers

INTERNATIONAL ORDERS

If you are interested in international distribution or to find a distributor in your country, please send an email to: asuozzo@CAAGEARUP.COM

WARNING: Observe safe firearm handling practices at all times. Failure to do so may result in serious bodily injury or death. CAA USA shall not be responsible for injury, death, or property damage resulting from faulty installation, misuse, illegal use, or modification of this product.

173 reviews for Glock 20/21 | Micro Conversion Kit (Gen1)

4.9
Based on 173 reviews
5 star
91
91%
4 star
8
8%
3 star
0%
2 star
0%
1 star
0%
  1. Steve Jordan

    The good: Increases accuracy and easy to install. Ergonomically very comfortable. Fun sporting platform.

    Weaknesses: Folding stabilizer locking mechanism, picatinny rail, and ambidextrous charging handle should be metal instead of plastic. I feel they are the weakest parts of the platform and am not sure how long they will last. Ambidextrous charging handle is also a bit small. The extra mag adapter / holder fits very loosely which doesn’t match the quality feel of the rest of the kit.

  2. Adrian C.

    Feels sturdy, fits well and makes the G21 much more manageable. Slapped on a green dot from another gun and now it’s something even my girlfriend can handle effectively in a home defense situation.

  3. Robert Franklin

    Alot of fun! Once zeroed, very accurate at 35-50 yards with no worries. Turned my Glock 21 into a pistol with carbine accuracy.

  4. Anthony West

    The finish is nice the kit is also nice I haven’t shot it yet

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