Ok, finally got my CBI bbl that i bought from Jim B. back from my gunsmith having it spiral fluted and the leade cut for 140 Berger VLD's...have a headspace gauge, set it up so it closes easy on the go gauge, won't come close on 2 layers of Scotch tape, can't close it on 1 layer. Take the single layer, it closes fine.....???? Sound right? Also, when i put the wrench on to tighten the bbl nut, should i clamp the bbl, or the action? If i dont hold both tight, the bbl turns , and messes the headspace up.....thanks for any help, hope to take it out on friday and fire some rounds before sending it off for nitriding and possibly a muzzle break....(muzzle brake first, i know) rsbhunter