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MIXED FIRED 6BR BRASS

So I’ve got some mixed fired 6br brass . Probably some once fired all the way to 4 times fired . My question is will annealing make necks all the same hardness to keep consistent neck tension ?

Thx

Mark
 
I shoot a mixed lot of Lapua brass in my BRA. I anneal each time. The older lot had 12+ firings when I started mixing them with 2 shots on the new lot. I don’t notice any difference on target. I mostly use the older lot for foulers. I keep them marked and only shoot from the same lot for my last 2 sighters and record.
 
You should get the same or darn close.
Absolutely they will be the same assuming a few points:
1. None of them have previously been over annealed (can’t fix dumb)
2. They are all the same headstamp, made with the same grade of base brass (can’t control if a manufacturer decides to change their brass formulation from one year to another, unlikely though)
3. All the necks have relatively the same thicknesses (a 12 thou neck and a 15.5 thou neck with anneal much differently, but if the user is watching color change very closely in a dimly lit room he/she should catch this).

I suggest sending it off to someone that will induction anneal them for a reasonable price. Personally, I induction anneal the 6BR family of brass for $0.28 per piece plus shipping. PM me if I can help you in any way. Also, inspect all brass before annealing because there is no sense wasting time on brass with cracks, etc.
Dave
 
I shoot a mixed lot of Lapua brass in my BRA. I anneal each time. The older lot had 12+ firings when I started mixing them with 2 shots on the new lot. I don’t notice any difference on target. I mostly use the older lot for foulers. I keep them marked and only shoot from the same lot for my last 2 sighters and record.
The question is how often and what method of annealing are you using?
Dave
 
Do it! You're getting some excellent advice here. Annealing brass is the great equalizer. Like already mentioned, do it and don't look back.

And you don't have to spend a bunch of $ either. Consistent annealing by handheld torch can yield some excellent results with just a little bit of common sense and a great attention to detail.
 
My 6bra brass have over 30 firings.
I did keep the last 200 going until they had close to the firings the older ones had then they all became a big pile of 550.
I anneal ever firing.
I just recently got a trimmer and wanted to skim them. I found that i had donuts on the inside and the brass had flowed to the case neck junction.

In other words there was quite a bit of brass being removed at the junction and very little at the case mouth.
 

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