Best

Listed here for reference are the best of everything (non ultra-exotic) in spudgunning.

Building Materials

Types of pipe

*for hybrids - Steel
*for combustion cannons - 

Type of PVC cement -

Type of epoxys

*Metal - 
*Plastic - 
*All Purpose - 

Type of valve sealing face - Neoprene

Type of piston material -

Type of piston lube -

Type of piston bumper -

Type of valve -

Type of ignition source -

Type of spark gap - open air copper clad board