I would say today I'd look at the Howa mini in 6.5 grendel with flat custom bottom metal.
Had Anderson build this a few years ago. Zastava mini-mauser in 7mm Benchrest. His bottom metal, 19" octagon barrel. Springfield style striker
WOW! That is a stunner!
JRgunmaker makes about the prettiest rifles I’ve seen.
When I bought a mini Grendel, the shelves were heavy with decent factory loads. Now it’s vanished like most other chamberings. I see more ARC available then Grendel. Might go that route if you’re looking for factory fodder.