Hey all, I have a hankering for a mid-bore to use as a backup for next year's moose gun (hunting Manitoba, blind hunting lake shores) and as a possible primary black bear rifle. I am leaning towards a 338-06, but I also really prefer to hunt with a suppressor. I know I can't do that in California-North (Canada) so for that I will be using a Witt Machine SME. As such, I want to keep the barrel around 20".

So, in a 20" barreled rifle, is there a significant difference between a .338-06 and a .338 Federal? My gut tells me no, but as I have no practical experience with long-action cartridges in shorter rifle barrels, as all the long-action rifles I own have standard length barrels. I figured I would ask the Fire to get your thoughts.