Originally Posted by freedom
for future flights:
print out the TSA pages about paintball gear and have a copy on you and also put a copy in your checked paintball bag wrapped around your marker(s).
That's a good idea though I have never been hassled.
I'd just plan on removing your tank reg. It would suck to leave it on a degassed tank and have them remove it. I bought a couple cheap strap wrenches that I always kept in my luggage for flying with my gear.