Ninja Paintball UFA Universal Fill Adapter Freak XL Barrels & Inserts the gun has a 9mm

the gun has a 9mm bushing gearbox

Powerplant: Spring-piston

Includes: (1) Front Bolt O-ring (1) Rear Bolt O-ring (1) Push Pin (1) Ball Latch (1) Valve O-ring (1) Trigger Plate Pin (1) Trigger Spring Washer (1) Velocity Screw (2) Body Nut (2) Receiver Bolt (short) (1) Feeder Ratchet (1) Sear Roll Pin (1) Marker Oil (1) Drive Spring

while the back shell is made from impact modified lexan

Dual-pane thermal anti-fog lens

Ninja Paintball UFA Universal Fill Adapter Freak XL Barrels & Inserts the gun has a 9mmFeatures: Ninja Universal Fill Adapter Made in the U. S. A. For use with CO2 fill stations for remote coils Ideal for your gear bag Lets you release air from any paintball tank