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6BR 80 gr Berger FBHP freebore ??

whats the ideal freebore for a 6BR shooting the 80 gr Berger flat base varmint bullet,,seated above the neck shoulder junction and maybe shoot the 68 gr bullets also,,

reamer is zero FB but can lengthen it with unithroater,,
 
that is the bullet I use to form the TAC shorty case with (BRAI), using Tim's freebore. I haven't seated them to the lands, but have seated the 88gr. to it.
 
I shot that bullet in a zero freebore and the bullet base is about 1/2 way down the neck of a 6br case. This is seated into the lands. It shot very good for me in a 13.5 twist. Zero freebore is ideal for the 68 grainers too.

You will be fine using your reamer for either bullet.
 
I have a zero freebore 13.5 twist I have been shooting 68`s from but wanted to try the 80s and I just didnt think the 13.5 would shoot them but I will sure give them a try,,
 

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