Why not? A good many folks do.
Some of those barrels shoot plenty well.
Of course, some shoot like [bleep], and those get replaced.
If a barrel shoots well, very well, and plenty for it's intended purpose, wtf does it matter whether it's a Savage factory barrel, or a custom barrel (like a Spencer)?
The biggest difference in accuracy isn't the barrel, but the guy behind the trigger. Fix those problems first, then worry about something else.
IMHO, fixing the problems behind the trigger solves about 99.9% of all accuracy/hunting related problems.
Of course, ymmv...
