Action Army 6.03mm AEG Barrel 590mm Gears and Related Parts this is a great hop

this is a great hop up chamber for those that want to upgrade from their factory's original

this motor is a great replacement

please note this product will not be able to be installed for the time being

Dwell: Fully Adjustable

Action Army 6.03mm AEG Barrel 590mm Gears and Related Parts this is a great hopThe Action Army 6. 03mm AEG Barrel 590mm. Fits inside AEGs that require this length. This is a 6. 03 inner barrel diameter, so it allows for less jams and tolerances than the 6. 01mm. A very popular choice as an alternative to the Prometheus. One piece high grade metal machined. Precision smooth inner bore with nickel plating. This inner barrel is an upgrade to improve your gun's performance, accuracy, FPS, and range compared to stock gun barrels.