Pick up a target action, pick your own barrel and stock.
Alternatively, pick up a used run-of-the-mill rifle, sell off everything but the action. Send it off to be trued. Pick your own barrel and stock.
Their 5R barrels may be better than their standard barrels (which aren't bad at all) but a Kreiger, Bartlein et al will be better still (and avaliable in more chamberings).