I just bought a 1969 Rem 700 in 7mm RM SS Bbl - my first 7mm Rem - that I’d consider running a reamer thru to continue the legacy.
I’ve got a great one for you POC if you’d like to borrow it. I’ve been thru a few of them, although not as many as Dober.
Here’s my current one.
And here’s my first one that was a rechambered M70 PF 7 Rem Mag.
And here is Pages