Action Army 6.03mm AEG Barrel 310mm Helmets and Accessories Mounts on all standard rails

Mounts on all standard rails

Quality construction

The selectable reticles are a bullseye

Very easy to install so you can add longer and bigger batteries in your rear stock/buffer area

cross draw

Action Army 6.03mm AEG Barrel 310mm Helmets and Accessories Mounts on all standard railsThe Action Army 6. 03mm AEG Barrel 310mm. 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.