.6040-.358=.146
Cut rifle's website says "The barrel wall thickness must meet or exceed 125 thousandths per side (250 total) for safety, at the muzzle".
I know you meant '.5040' instead of .6040, as your math is correct: .504-.358=.146
Well, that's food for thought.
Hey, the rifle would weigh even less after the rebore!!
Thank you!