Building my first rifle. Need advise.

[Zero333]

Start off with a used magnum 111 and just swap the barrel. done.

[PepeLapiu]

Start off with a used magnum 111 and just swap the barrel. done.

Yup, I can't find a used 111/110/112 around here.
So I'll likely buy a 112 and swap out tge barrel.
I already got a quote from a Canadian barrel maker for a heavy profile 7mm Rem Mag barrel.
I have no idea if his barrels are well rated or not. That part might be a gamble.