Air gauging is simply an inspection method to accurately check the diameter of the barrel bore and to show whether the bore is a constant size and a round diameter over the full length of the bore.
Lower cost barrels are batch tested, for example take ten barrels, test one, pass the whole lot. Higher cost barrels are often individually tested.
The 2nd Amendment was, and still is intended to protect the individual citizen from Tyranny. Whether that Tyranny originates from
our own Government, common criminals, Progressive Liberalism, or foreign invaders, is irrelevant.
Last edited by 1911Jeeper; 12-21-2011 at 06:04 PM.