Action Army 6.03mm AEG Barrel 290mm AEG Airsoft Gun Magazines 6v 1400mah nun-chuck Battery and

6v 1400mah nun-chuck Battery and basic battery charger are included in the box

There's guides and videos on how to do all this

Comes in two variants:  Polymer receiver (JP-09MB) and the all metal receiver (JP-09MB)

25 memory slots for velocity and ROF (Rate Of Fire)

Requires a speedloader

Action Army 6.03mm AEG Barrel 290mm AEG Airsoft Gun Magazines 6v 1400mah nun-chuck Battery andThe Action Army 6. 03mm AEG Barrel 290mm. 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.