Action Army 6.03mm AEG Barrel 590mm Chargers and Battery Accessories They are much better than

They are much better than most stock AEG gears

Use with any smart type charger

XS - SMALL sized

Standard head retention strap design

Fits adult sizes Small - XL (fully adjustable)

Action Army 6.03mm AEG Barrel 590mm Chargers and Battery Accessories They are much better thanThe 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.