The Micro Conversion Kit for the Glock 43 and 48 GEN2 comes standard with the aluminum top picatinny rail. Equipped with the MCKGEN2 Stabilizer stock, 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", 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. Right-folding stock arm brace for easy concealment and carry, locks in the folded position. Built-in Ambidextrous charging handle allowing for quicker assembly/disassembly. Exposed slide release for direct contact and easier use. Side Picatinny rails for mounting additional accessories, i.e thumb rests, laser.