MCK Micro Conversion Kit (Glock17/ 19/ 19X/ 22/ 23/ 31/ 32/ 45) This MCK Micro Conversion Kit is a light 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.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. MCK comes in two versions, one is a NON-NFA product (with standard long stabilizer brace), and the other is a NFA product (with stock). https://mcsgearup.com/micro-conversion-kit-mck-black-glock-17-19-19x-22-23-31-32-45/