Originally Posted by
flounder33
I know who you mean. I think he is cutting them off and threading because I believe the Mountaneers have a one piece barrel/receiver to start with.
Correct Bestill is cutting and threading but if you have an old MK (prior to GM) then it is really straight forward - unscrew the old barrel - cut the BP insert in the new barrel and even that does not need that tight of tolerances for a plunger action - then turn and cut the barrel threads.
