Quote Originally Posted by Chainsaw. View Post
A couple folls have done some experiments in 45acp with small primer vs large primer. Surprisingly the small primer edged out the large for accuracy.
That's what I've heard, its an accuracy issue.
There also are some benchrest rifle cartridges available with small primers that normally use large ones.

These folks that can hold a one hole group over the curvature of the earth can tell the difference,
but I don't think one over the other would matter much for me.