nah i used baking paper on the bottom but not the sides but i heated the outside and it just droped out the i put it in my chamber and it was an exact fit ... i also finished silver soldering my gun together and s#!t is it powerful also i didnt know that hot glue seals the berrel aswell so no neopre...

Ive made a piston by chopping up hot glue sticks into little pieces and put into a piece of spare copper tube, (chamber size) then heated the whole thing up with my blowtorch :twisted: untill it all melted now i cant get it out of the tube, its glued in like glue (as it is) how does every one els ta...

yeh im just a bit worried that it will melt and warp a bit when i solder the top togetherbut i think shel be right

Im just about to solder up my Copper Coaxial (1/2" barrel/ 1" chamber and was wondeing what to use for the barrel suport (where the barrel is exactly in the middle of chamber so the piston seals). I was going to use a washer with many grooves thats i found in tha shed but i dont think i can silver s...

cheers for that advice. i just bought a metre of 1" copper pipe and holly molly was it expencive 40 bucks for one metre :? aus$$ and a 1/2" and wanna know what a good way of putting a support on the barrel so it sits exactly in tha middle of the chamber where the piston is going to seel it if that m...

hey guys im new to this site but not to pneumatic spud guns im getting sik of using sprinklervalves as i cant aford to buy new ones every time i want to make a new gun and have heaps of little 1/4" ball valves and fittings so wanted to try piston valves, im going to make a simple copper or brass coa...