wow i can not imagine the cost and dedication of building that.

Shouldn't be too hard with a small bore hybrid. Theres lots of em here that i see. Go 6mm bb's.

Forgive my ignorance, but what is wrong with using regular pipe whether it be pvc, or metal? I wouldn't trust putting a crap ton of pressure in a flashlight core.

jor2daje, you are a genius. Thanks for all the help. Shes about to be all sealed up tomorrow. Now i have to finish up that stock. Thanks all for the quick replies.

Hi, i've seen this site a long time ago and started a project a couple years ago but unfortunately it never got finished. 3 years later im back wanting to finish this thing haha. Its basically a coaxial with 1/2 inch copper and 5/16 brakeline. I have made a coax before but not nearly the length i ha...