The Franklin Armory 00-10028-BLK is a premium firearm featuring a 16 inch M4 Contour Barrel Length. It comes with a 15 FSR Handguard/Upper and is equipped with Magpul MBUS Sights. The weapon features a 1:7 RH Twist rate and utilizes a standard Charging Handle.Its Bolt Carrier is salt bath nitride for durability, and it boasts a Liberta lower. The trigger mechanism is of the BFSII type. The gun uses a Midlength Gas System and a Low Profile Gas Block.The muzzle device is a Triumvir, and it comes in a sleek black color. The firearm is provided with a Magpul CTR stock and an Ergo Ambi Sure grip for comfort. It also features Bilateral Push Button QD Mounts for convenience.The firearm is calibrated for 5.56 NATO rounds, making it a reliable choice for various shooting situations.