Shop › GE SUPER DTY MOD1 5.56 14.5" URG BLK GE SUPER DTY MOD1 5.56 14.5" URG BLK $1,285.20 Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 556NATO, 14.5" Pinned (16" OAL) Barrel, M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black 08-547B Quantity: Add To Cart Added! Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 556NATO, 14.5" Pinned (16" OAL) Barrel, M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black 08-547B