The Super Duty pistol chambered in 5.56mm features a Nanocoated Surefire Closed-Tine Warcomp mounted to an 11.5" Mag Phosphate, Cold Hammer Forged, Chrome Lined, Geissele barrel. Exclusive to the Super Duty line is the brand new SSA-X with Lightning Bow trigger. This Nanocoated, two-stage trigger features a wide body and bow shape that finds the perfect balance between a classic M4 trigger bow and a flat body trigger. At the heart of this pistol is the Geissele REBCG (Reliability Enhanced Bolt Carrier Group). The Nanoweapon coated BCG is machined from Mil-Spec 8620 steel, with a properly torqued and staked, chrome lined gas key. The Cam Pin is machined from advanced, medical steel known as H13, which is also coated with Nanoweapon for maximum corrosion and wear resistance. The REBCG also features extended upper rails, providing greater stability and dramatically increasing feeding reliability. The Super Duty lower is precision machined from 7075-T6 aluminum and features Geisseles 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 H3 buffer ensures this pistol is properly tuned out of the box.The 10.5" MK16 Super Modular Rail that mates to the Super Duty Upper Receiver via a center aligning tab that removes any chance of rail rotation. A Geissele Grip and an SB Tactical SBA3 brace finalizes this high-end pistol that offers the user unmatched accuracy and performance.