You already have a LRPV in 22-250? There's your build platform right there!! Save the $$ for down the road. Pop for a Shilen, Pac Nor, etc. barrel in 6 BR with a no turn neck and short throat so you can chase the lands as it wears.
Swap barrels or have it done for you and get bored real fast with the accuracy it produces. Most rounds will end up in the same hole, or REAL CLOSE!!
Custom (BIG $$) build would be nice but, you don't have to spend big bucks to produce bug holes! You can never have too many Savage rigs?? (I think I have 5 or 6 so far. I'd have to check) Once you start building, my guess is, it won't be too long before you get a few more. It's addicting!!