Pneumatic Launcher (AL-1)!!!
This is my first pneumatic. It features interchangeable barrels (not shown), dual 3"x28" chambers, dual modified 1" Orbit sprinkler valves, 3/8" hose, fittings and ball valve, 1.5" PVC tee and elbows, and a 2" threaded female coupling for the barrels.

Fill Valve Modification w/ Quick Connect
This speeds up filling w/ a compressor, BIG TIME!!! Note: Schrader Valve still there...
Barrel screws into the 2" female threads.

Just another shot.

Shooting a tennis ball straight up...