tikka270win
Active Member
- Joined
- Dec 12, 2011
- Messages
- 31
I just put some one shot brass from my tikka t3 270 win. through my tumbler and found that about one out of every five has a weird groove all the way around about.02 from the top of the neck. What could cause this? And is it a cause for concern? Im not sure if maybe it has something to do with the chamber, but shouldnt it happen to all brass if that is the case? And i am getting little dents on the shoulders on quite a few of them