I've got a rifle with a .308" bore (I will slug it at my first convenience) and I'll be shooting GC bullets that can be sized anywhere from .308 to .311. The .311 bullets are darned close to as-cast with only a slight smear when going through the sizing die. Alloy is 92-6-2 and I'm using Hornady GC's.
I've also got a couple of diesets with a couple different sizes of expander balls to resize the neck of the brass. Additionally, I bought one of the Lee Collet die sets and have a lathe available to make my own diameter collets.
While I realize that annealing and number of firings can influence the neck tension, what's a good place to start for:
Bullet to bore fit?
Brass to bullet fit?
I've done some shooting -with pleasing results, but still feel like I'm doing a guess-and-calc on a quadratic equation. If I could get closer to the sweet spot without burning up all my primers, that'd be helpful.
Thanks in advance!!