http://www.lurkerpaintball.com/eigenbarrel.html Originally Posted by Lurker27 View Post
These are being machined now - The final bore will come out a little smaller than .681 due to anodizing thickness. They barrels have 9.5" of unported length, and a .40" long taper from a mild overbore to smooth out cycling (or in pump users' case, pump stroke) and reduce the chance of a ball being clipped on the way into the barrel. Barrel is heavily ported, with the port angle tilted forward 45º to help increase port flow and make for a more advantageous sound signature.
14", <110 grams. You can have it in any color, as long as it's black.
also there is a CP thread
http://www.pbnation.com/showthread.php?t=3242224