he new MCK for the Springfield Armory XD9 is here! This is the first time we have ever been able to make an MCK adjustable to 4 different barrel lengths. The World Famous MCK is now available for Springfield Armory XD XD mod.2 XDM & XDM Elite. The most popular range gun accessory has finally met up with the Springfield.Features:Fits 13 Different XD9 handgun models. Comes with 4 Charging Handles & 2 Gun doors to accommodate different slide serrations. Equipped with the MCKGEN2 Stabilizer which allows firing while folded and locked. Front spare magazine holder for faster reloads. Comes standard with aluminum top picatinny rail. 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.e?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 Exposed slide release for direct contact and easier useNot compatible with a threaded barrel. The MCKSA9 ships with 2 gun doors and 4 charging handles to accommodate the different models.