
Its your normal Barrel, Its a 1in (Or 1/2in) Copper Barrel, With CPVC (Or PVC) Pipe covering it and adding a better Seal. And at the back is a Thick, Long rubber tube(And it isnt Hot Glued)

I simply took out the useless Pressure Gauge, Sealed the tube going to it, Moved the Pump to the side for Convenient Pumping. And I also Removed the useless Giant Pump from the back, and I also removed one of the "handles" from the front, so it is more Pistol like, but still is one of the most powerfull guns made by nerf. (Or any off-brand. Not including the custom ones)
Sorry again for Fuzzy pictures.