MCK Micro Conversion Kit Features The new MCK43/48GEN2 is here! The MCK family has expanded to tackle our FIRST Micro Conversion Kit ever for a single stack handgun. The World Famous MCK is now available for the Glock 43 43X and 48. Get ready to have some serious fun. MCK Micro Conversion Kit Specifications Comes standard with the aluminum top picatinny rail. Equipped with the MCKGEN2 Stabilizer allowing firing while folded and locked. Rear door extends an additional 15 degrees making it easier to insert and extract the handgun. Accommodates suppressor height sights up to 1.1" Suppressor friendly accommodating suppressors up to 1.38" diameter. Features an improved spare magazine holder that operates with a mag catch and magazine release button. Compatible with our MCK Brass Catcher No pistol disassembly required - Just place pistol into the kit lock and go. Ergonomic Finger Groove Grip for more stability. Side Picatinny rails for mounting additional accessories i.ea | thumb rests laser. Ambidextrous charging handle for fast and easy handling. Right-folding stock arm brace for easy concealment and carry locks in the folded position. Built-in charging handle allowing for quicker assembly/disassembly. Exposed slide release for direct contact and easier use.