Vince hit the nail on the head imo. Put a barrel your dad's rifle and keep it.
Put a BRUX , 1-7.5 or, 1-8 Twist, Medium Hvy Sporter, 25-26 inch, 6 MM Barrel on It and Chamber It,. FOR,.. 6 XC ! ( Better Barrel Life / Longer Neck, than, the 6 Creed ) Uses 3-4 grains LESS Powder at only,. 100 FPS Less Velocity and around, 500 Shots, EXTRA, over Most, "Hot", 6 MM's !
Do the Forend Mod's as, Vince Said !
The 6 XC HAS Won, MANY 1,000 Yd Championships ( A Very Accurate, Cart ).
My Bolt Act., 6 XC, shoot's, "BugHoles" in the .2's to .3's with, 80 to 108 grain, Bullets with, a 24" Med Hvy, Sporter bbl., in 1-7.5 Twist.