Bubba beat me to the answer....I was going to suggest that since you have the machines and expertise that you mill a tapered barrel. That way your breech area would not be compromised.Bubba45 said:Minimal cuts and plenty of coolant and warpage shouldnt be a problem.
Have you given any thoughts to a tapered barrel like 7/8" to 3/4" ? Makes for a light well balanced long gun.
mazo kid said:Bubba beat me to the answer....I was going to suggest that since you have the machines and expertise that you mill a tapered barrel. That way your breech area would not be compromised.