I shot the 5R years ago in H.P. comp. Was supposed to be the cat`s meow.. Barrel was made by Obermeyer, 26 inch long,SS, 1x10 twist, and fitted to my, 40-x. Put 10k rounds through it. I can`t say it got me more x`s than the original Rem. barrel.
What are you thinking is better about them?