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). - Top Features: - 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 - MCK Measurements: - Width: 2.48� - Height: 5.70� - Length: 13.70�