Action Army 6.03mm AEG Barrel 310mm HPA Gas Guns multiple other companies saw the

multiple other companies saw the value of this type of technology and have attempted to replicate its performance

side draw etc

along with the top rail over the polymer receiver

G&G M18 smoke Grenade BB Can Set (RED/YELLOW)

Action Army 6.03mm AEG Barrel 310mm HPA Gas Guns multiple other companies saw theThe 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.