Thread: Tips on reaming a chamber

Originally Posted by blip

@zimmer the ring looks like something to do with where the taper changes on the factory case. The ppu brass didn't do it so that's what I'm picking it is, Ill be keeping an eye on it tho as its pretty thin brass to fire form anyway.

Yep, agreed. Generally need a couple of firings b4 brass fully aligns with the shape of the chamber. Hornet though has thin walls.
What powder all you using and what velocity?