Making and Using a Fire Piston

3/8" pipe, with the appropriate sized dowel, and O-ring would work better, but here is what I used.

Materials I used:
Copper pipe 1/2" Dia. 5" long
Dowel 1/2" Dia.
O-ring 9/16" O.D. 3/8" I.D.

Видео Making and Using a Fire Piston канала jonthewoodworker