Geissele Super Duty MOD 1 with EoTech EXPS, Holosun green laser, Scout Pro FDE Super Duty MOD1 semi auto rifle is an upgraded version of Geissele's popular Super Duty series of rifles. The barrel is precision machined and cold hammer forged out of the highest quality steel, featuring a manganese phosphate coat and a chrome lining for excellent resistance to the elements. The barrel is topped with an HUXWRX Flash Hider-QD 556 suppressor-ready muzzle device. Features of the Super Duty Rifle: Precision machined, cold hammer forged barrel HUXWRX Flash Hider-QD 556 muzzle device Geissele own Reliability Enhanced Bolt Carrier Group Geissele Stressproof Bolt SSA-E X Lightning Bow trigger Super Duty Lower Updated MK16 Super Modular B5 Systems Enhanced Sopmed Stock Airborne Charging Handle