Materials needed:
1 Buzz Bee Big Blast (4B)
1 Phillips head screwdriver
A minimum of 11†of 1/2 inch Sch. 80 PVC
One 1/2 inch slip+thread Sch. 80 PVC coupler
One 1/2 inch slip+thread Sch. 80 PVC bushing
A minimum of 12†of PETG (Medium Wall)
Plumber’s Goop
PVC Pipe Cutter
Optional:
More Sch. 80 and PETG for additional barrels
One slip+thread 1/2 Sch. 80 PVC coupler
Hot Glue Gun
E-Tape
Let’s get started.
Here is the stock gun.

It shoots rockets about 25-30 feet.

First, open her up.
You will need to break/burn.hack/dremel the orange ring apart.

The internals.

Now cut off the rocket barrel flush with the dump valve.

Now get your bushing out and test fit it on the dump valve.

Wrap the dump valve in E-Tape until the slip+thread bushing fits securely.
Trim the excess E-Tape.

Now Goop the bushing and tank together and let it dry.
