I really don't know. I did buy some of the parts, others where
given to me or they where lying around the shop where I work.
The plumers next door to the shop gave me the 2" and
4" pipe scraps.(this partly determine the length of my gun),
the 2" to 4" bell reducer and the clean-out and cap.
air gauge found in shop
solenoid valve $9.99 Builder Square
pvc glue about $6.00 Builders Square
other pvc parts $.58 to $3.89 Builders
Square
brass tubing parts $16.00 HI-LO Auto
parts
including air valve
1" steel pipe nipple about a buck
Builders Square
rubber sink stopper under $2.00 Builders
Square
Parts for wiring found in shop
miss. hardware found in shop
1 1/4" masking tape about $2.50
teflon tape,2 roles $.99 and $1.25
9 volt bat.4-pack about $8.00 Builders
Square
momentary switches
on/off switch
battery box under $12.00 total Radio
Shack
Spud Gun Improvements to Pneumatic Gun
Spud Gun Theory of Operation
Spud Gun How Much Does IT Cost
Spud Gun Barrel Adapter Assm
Spud Gun Barrel Air Chamber Assm
Spud Gun Air Control Assm
Spud Gun Air Gauge Assm.
Spud Gun Drilling of Clean Out Cap
Spud Gun Handle Assm. with Electronics
Spud Gun Handle Assm
Spud Gun Piston Stopper Assm
Spud Gun Wiring Digram