since you are wanting a 308 and am gonna get a lug from Northlander, you might as well get one of his Shilen or Mcgowen pre-fit barrels he has in stock. Then you dont have to wait 16 weeks for it.
Ive got 2 McGowen 308's from Jim and they are both lasers, shooting an avg in the mid to high .3's, with many in the .2's.
Jim is a great guy to deal with too, and also has Savage and Stevens actions for sale. Kina like a one-stop shop for what youre looking to do.
heres the link to his inventory.