Look up Phoenix custom rifles. I believe full builds are only a month out. Simple action true and rebarrel might be more like 2-3 weeks and runs about $500.
Picked my XLR/TAC338 build up from PCR this morning. With work like this don't expect their waiting list to get any shorter...
Stiller TAC338 action
Bartlein 9.5 twist stainless, chambered in 338LM
APA FB brake
XLR HD tactical chassis
My own bolt knob
All gunsmithing and cerakote work done by PCR. There's no less than 7 different colors in this full digi camo job: