The next generation of Micro Roni is here! CAA improved past generation models into the ultimate conversion kit. It's Micro Roni Generation 4, and they call it Micro Conversion Kit, or simply MCK. 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.