Stuff needed.
Pvc coupler x1
Hot glue
rope of some kind
yellow duck tape
e-tape
spring slightly stronger than 3b spring
rfs spring
string
Tools needed
pipe cutters (not needed but makes a cleaner cut)
Hacksaw
Hot glue gun
screw driver philips head and flat head
A brain. and a body with arms and legs ect.
Part 1: mods to the front shell
First off, hacksaw off the frond handle (no pics)
second, screw apart the front of your gun with a philips head screwdriver.

second, take stuff out until it looks like this:

cut off the orange barrel on this part and sand the hole until 1/2 in pvc slides through smoothly

cut your coupler in half.

Place a 4 inch or so piece of half inch pvc through the orange part

push your coupler into the back. pull it though the orang part until it stops. and then ad LOTS of hot glue around the seems. (that's what she said)

Cut a 1 inch piece of string, and glue it like so onto the back of the coupler in the orange part.

Part 2: mods to the back part
Open the back part. (you will need to use a flat head screw driver on the parts that are screwed together.

take apart the plunger head, and pull the plunger rod out of the back. (no pics)
here is one of the springs compared to the normal one. it is a nf- like spring and 1/4 it is a bit stronger than the 1st 3b spring. add this along with a rapid fire shotgun spring.

put the plunger back together with the new springs, and wrap the plunger head in e tape until makes a great seal in the plunger tube. (no reinforcements yet, I will do them as soon as I hep epoxy putty.

connect the orange part into the plunger, and wrap it in a bit of e-tape.

screw it all together.
Part 3:finishing toutches
if you want, Add a strap, using your rope. and wrap your gun in yellow duck tape.
Make a 6 inch barrel of your choice.
finished gun:

I am sorry that some of the pics are blurry, I am not good at holding a camera. and I am sorry if this is a bad write up, It is my first.
-Stuck by stefan.