Originally Posted by ar15barrels
What makes you think this?
Well, I'm surely no expert, but I set the size die to bump the shoulders down to -.004 and many are coming out bumped to +.001 or .000, which seems like insufficient sizing.
When I had the trimmer motor mounted, I had it set for 1.750, but some shells were coming out at 1.754+. So that seems like the shell isn't getting close enough to the blade. . .
What do you think?