**I TAKE NO RESPONSIBILITY FOR WHAT YOU DO WITH THE INFORMATION PROVIDED IN THIS INSTRUCTABLE**
Step 1: Materials
1 foot piece of PVC (1/2 inch)
PVC cutter or Hacksaw
3/4 inch T Joint
3/4 inch end caps (x3)
Strong, long spring (see picture)
Stubby, weak spring (see picture)
Balsa wood (or Bass, Poplar, etc.)
Nail (one only)
Airsoft 20mm rails (Optional)
Airsoft Red Dot Scope (Optional)
Step 2: Body Assembly
Barrel- 45 cm (or whatever length you want it to be)
Magazine- The length of your SHORT spring minus 0.5 cm.
Stock- Length of your LONG spring plus 2.5 cm
Cut the 1/2 inch PVC-
Piston- 6 cm
Step 3: Magazine
2. Cut your wood into a Circle that will fit into the PVC snugly.
3. Tape the wood to the top of the spring.
4. Insert the spring into the magazine, wood on top.
Step 4: Operating Spring
2. Drill a hole all the way through the bottom of the piston (see picture).
BE SURE TO PUT FOAM/SOMETHING SOFT ON THE TOP, SO IT DOESN'T BREAK THE PAINTBALL IN THE BARREL.
Step 5: Stock
Then, draw the notch (to lock the spring back.)
I have 2 notches, one for hight velocity and the other for medium velocity.
Depending on the strength of your spring, the size of your groove will vary.
Now, here is the hard part- cutting out the groove.
I drilled it out and then cleaned it with a chisel (Picture 2), instead of cutting it (it was much easier).
Then, drill a Large hole in the back (Picture 3).
Now, put the spring with the piston into the stock.
Push it down a little bit and push the nail through the hole and the hole in the piston (Picture 4).
Picture 5 is the final result (of the Stock).