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Thanks for all the help. Finally worked it out. The brass was oversized by only 0.0005 just forward of the base/head. This was difficult for me to accurately measure. This area is supposed to be 0.471 on a 30 BR, I noticed that the .308 is supposed to be .470 at the same place, so I ran the...

I will do exactly that as soon as I can. Work gets in the way sometime.

No the reamer is nearly new, this is the third chamber I have cut with it. All chambers were drilled and bored so the reamer did minimal work. I think a small base body type die or new brass will fix the problem. Hopefully it is not the chamber.

I thought of that but a fire formed case will not rechamber. Would a body die from Redding do the same thing?

That's why I am wondering if I need to just recut the chamber a thousandth forward and reset the tenon shoulder to reset headspace. I think I will try and re anneal the brass and see if I am getting spring back in case this is just a really tight chamber. I like a tight chamber:o

Extractor has been removed from the Bolt. Carbon Build up - I even re trimmed two case necks to make sure a doughnut had not formed. Nose clearance is fine, with no shell the bolt just falls closed, even with head space gauge. I have tried some fire formed brass and some that has not been...

I am using the same Redding Competition FL neck Bushing Die that I have used for years on other barrels cut with this reamer and using the same action, a BAT 3L.

I have just cut a new barrel for a 30 Br and when I chamber rounds some of them are difficult to chamber. Even empty brass, full length resized and Trimmed for proper length can be difficult. Some chamber fine, some have a stiff bolt closure but some require the bolt to be Pushed Forward and a...

Thanks for the reply. i tried what you suggested and this is chalky all the way through. I cut it with a razor and it was just like cutting the chalk you would write on a old chalk board with. I ordered this off the internet so I have no clue how old it is. The unit looks like a plastic pen with...

Hey guys. First attempt at annealing brass. I am building a 30 BR and need to anneal after expanding the necks. Since color change recognition is subjective I bought the hornady kit. It came with tempilaq but the temp rating, 475, is way too low. So I ordered Tempilstik to help with the first...