Steam Rifle 2

2 of 8

you rest it on your shoulder, like a rocket launcher. the blue section is the burning section, and the red ones are valves. one to let the steam into the main chamber, and one safety valve

basic view: [link]
side view: Currently looking at
Steam Exhaust channel: [link]
Front view: [link]
Aim: [link]
ammo selection switch: [link]
more and new details: [link]
new details - view 2: [link]