Tikka Proof pre-fit question

Sorry…it's gonna be in 7 PRC and using a 170 Gr hammer hunter
A 170 grain copper bullet is going to be REALLY long. Probably longer than a 180 eldm. So my guess is it's going to have to be seated pretty deep into the case
 
A Tikka Proof Pre-fit it will be chambered with a SAAMI reemer consequently the barrel chamber will not be the problem. You'll want to look at the data sheets on the CEB website. From that you can see how long the bullet is after the seal-tite band. Add that to the case length and get your COAL. Make sure it fits in the Tikka magazine. Tikka mags are short, the longest being 3.4". There are retrofit bottom metals and mags to expand that length a bit. Mountain Tactical and Unkown Munitions both have these.
 
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