Stress relieving or not a button rifled barrel will grow if recontoured. I talked with Hart about it because I have a 1.450" barrel of theirs that I was wanting to have recontoured. They relap the barrel after recontouring to make sure the barrel keeps the .0001" from end to end. If you look on their site for recontouring it mentions lapping with the recontouring charge.
I've also asked numerous cut rifled barrel makers if it is worth doing fluting for the weight savings. Most said the same thing...you wont see a accuracy difference between a fluted barrel of one weight and a non fluted barrel of equal weight.
I've also asked numerous cut rifled barrel makers if it is worth doing fluting for the weight savings. Most said the same thing...you wont see a accuracy difference between a fluted barrel of one weight and a non fluted barrel of equal weight.