In stock
CAA MCK Advanced Micro Conversion Kit for Glock 20, 21 Gen 3 Pistols, Flat Dark Earth - MCK21TA
In stock

CAA MCK Advanced Micro Conversion Kit for Glock 20, 21 Gen 3 Pistols, Flat Dark Earth - MCK21TA

SKU 787385
Model Number MCK21TA
UPC 814716013427
Customers must read Compliance Information before purchasing.
This product is fulfilled by a PSA Partner and shipping times may vary.

Product Details


  • Type: Advanced
  • Series/Collection: MCK
  • Material: Polymer
  • Color: Flat Dark Earth
  • For Use With: Glock 20, 21 Gen 3 Pistols
  • Dimensions: 13.7" L x 2.48" W x 5.7" H
  • Includes: MCKTHR Polymer-Pair Side Rail Thumb Rests, MCKPBSS Push Button Sling Swivel, MCKOPS One Point Sling, MCKFL Flashlight, MCKFBUS Polymer Front Flip-Up Sight, MCKRBUS Polymer Front Rear-Up Sight


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 effect conversion kit in the world. Fastest assembly/disassembly conversion kit on the market. Improving accuracy dramatically up to 200 yd.


  • 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


Q & A


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.