I recently purchased a 1885 Highwall in 30-06 and sent it to JES Rebore to rebore to 35 Whelen. I went with a 5 groove in a 10 twist.
Can't say enough good about the rebore, shoots under 1/2 MOA for 3 with 180 grain or 225 grain the only weights that I've tried thus far


I got banned on another web site for a debate that happened on this site. That's a first