Action Army 6.03mm AEG Barrel 250mm Flashlights For the M9A1 model

For the M9A1 model

6v 1600 Nun-chuck Battery and smart charger not included

so it won't break as easily as other stock replacements

Can also fit 7

Kit includes the cylinder and cylinder head assembly

Action Army 6.03mm AEG Barrel 250mm Flashlights For the M9A1 modelThe Action Army 6. 03mm AEG Barrel 250mm. 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.