PPS= awesome. Emailed me back in two business days. Identified parts and gave me the other info I needed. Ordered parts today.
lurker: guy went and measured the diameter of a barrel for me. Now I plan on ordering one to have lathed for my blazer. email response I believe was right around 24hrs.
compulsive paintball: I messed up my order somehow when trying to use their paypal feature. I emailed and explained what happened and they straightened it out quickly. Will probably order from them again when i have the need.