Hello,
I have a 110 flat back 270 that I put an A&B 270 winchester barrel on for future mule deer, antelope, hunts.
I ran some 1x shot Federal brass that I resized in my Hornady New Dimension dies, with out primers, powder, bullet through the action
to make sure it would cycle, and I noticed a very heavy bolt closure.
Thinking my dies were not set up properly, I grabbed some old resized, primed but unloaded brass that I had run through an old set of RCBS dies.
Same thing, very heavy bolt closure.
So, it seems my A&B barrel has a tight chamber, and it is bad enough that I will not want to take it hunting at this point.
Do I, try another set of dies.
Live with a heavy bolt closure.
Polish the chamber.
If I polish the chamber, I assume this would need to be done by someone who has done it before, or can a novice gun smith use his battery drill, brush and some sort of polish, do this.
Thanks