Run an expander mandrel in the necks to make sure they are perfectly round. Run them thru the bushing of choice for neck tension and load em up.
I usually wait till I have at least one cycle on them and then i trim and chamfer at the same time.^^^ + chamfer mouth inside and out.
What Bill and 4xforfun saidRun an expander mandrel in the necks to make sure they are perfectly round. Run them thru the bushing of choice for neck tension and load em up.
Yep, forgot about that. It is needed.^^^ + chamfer mouth inside and out.
 

