760s are tuff. One in a 30-06 was what I first started reloading for. Just use the data in reloading manuals and start low working up same as in any other 270. Glad you have one and let us know what loads you come up with.
Just me but seldom ever. I do let the rifle dictate what it can handle but if acceptable accuracy is achieved at velocity that is at max or slightly below, I'll take accuracy every time. Your loading process is correct for venturing up above max. Glad it worked out for you.
My guess is that the pillars aren't straight and the depth of the inlet is somewhat off. If it sets crooked in the barrel channel just remove the amount needed to relieve it from touching. As for the action, magwell area you can coat the bottom and sides of the action with inletting black or use...
That is more than disappointing. As for the barrel, depends on where you're ordering from and by which shipper. Personally, I think the USPS and FEDX has gone down the drain. My local post office does a good job but the problems I've had is after it leaves them and starts through their system...
Your continued dedication to the process has resulted in improvement for sure. That load shown by the group size would result in deer kills for you all day long.
I have been loading shotgun shells the past couple of days. Do it during the winter after deer seasons but got an early start account of looking at hand surgery this winter hopefully. Find out Tuesday Dr appoint with surgeon. Then cataracts find out next month if they will remove them or keep...
The saying "Varity is the spice of life" applies to rifles, reloading and hunting I believe. We all have our favorites as Col Whelen did and like using different ones as we do. It's been fun and interesting to be able to use different ones over the years seeing how different calibers, bullets...