I see this a little differently..... I don't use "two points in the chamber" but instead I run the section of barrel 1" behind the leade and 2-4" in...
I think I'd have to crown it first, find bore center line and turn the outside to match to give me an indexing point. Then of course I would jack it...
Louis. you've described the standard method of chambering around here..... ie to align muzzle and throat. 99.9% of all accuracy-minded and Bench Rest...
I am a colorful character who has been shooting and talking centerfire, standard and wildcats, since the '50s on and off. I am still learning. I also kid my friends some.
Location:
San Angelo, Texas (West Texas)
Interests:
Family, wood working, offhand shooting, rimfire benchrest, good rifles, and good friends.