I have a old Series J Savage 110S in .308. I also have a swap barrel for it in .223 from the original Series 110V with correct bolt face. I have swapped them a few times just for fun. Now, I am going forward with a fully suppressed barrel, not a screw on. I need to find a small shank .308 barrel with a 1 in 10 twist. If I cant find a takeoff, I am considering a .300 Blackout. I can get about the same performance out of the .308 hand loading 180 grain bullets. I know most of the .300 Blackout are AR platform guys, I have a friend with a Rem 700 fully suppressed that sounds like a staple gun. What do you think?