Geissele Automatics 08-395S: The Super Duty Mod1 Rifle improves upon the renowned Geissele Super Duty with the addition of a Huxwrx Flash Hider-QD 556 suppressor-ready muzzle device, an updated MK16 Super Modular Rail with press-fit stainless steel Quick Disconnect (QD) inserts, an A17 Grip that presents a more ergonomic grip angle and a QD Sling Mount Endplate. The 16\" rifle chambered in 5.56mm features a Nano weapon-coated Huxwrx Flash Hider-QD muzzle device mounted to a 16\" Manganese Phosphate coated, Cold Hammer Forged, Chrome Lined, 1-7\" twist barrel. Features SSA-E X with Lightning Bow trigger; Enhanced Bolt Carrier Group (BCG); Super Duty lower is precision machined from 7075-T6 aluminum and features Geissele Ultra Duty Lower Parts Kit featuring our Ambidextrous Super Configurable safety and Ultra Precision trigger guard. A high-quality mil-spec Geissele Buffer Tube with a Super-42 in H2 buffer ensures this rifle is properly tuned out of the box; 15\" MK16 Super Modular Rail; Quick Disconnect (QD) Sling Mount Endplate allows for fast interfacing of slings quipped with QD pushbutton mounts to the lower receiver and the B5 Systems Enhanced Sopmod Stock completes the package and an Airborne Charging Handle ensures smooth and reliable operation.