Originally Posted by ILLusion
You should still be able to get a full mag of BBs no problem with a high flow valve shooting propane.
Tightbore barrels are another way of increasing FPS, as are longer inner barrels.
A 7" 6.01mm inner barrel with high flow valves should get you close to 400fps.
getting close to 400fps with propane?
im only allow to use green gas lol