20" Tikka 7 PRC

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Originally Posted by tibo

Having less jump seems also to reduce pressure. I tested 60th (like factory 180) with same charge and was getting 2960-2970fps and slight ejector marks

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Yeah that makes sense, my creedmoor does the same thing. I run 143 ELDX out almost jammed, if i shorten the coal with the same powder charge the velocity goes up and i run into pressure.

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Originally Posted by 6.5 CRD

Interesting. Every rifles going to be different i guess but from my experience, using FED215 which is whats used for hornady data, book max has definitely been max in my rifle for 2225 2217 and RL26

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Yep, there is no magic receipe, I see people testing load given on internet more and more without working on a ladder this is worrying. I would definitely NOT try 66.4gn with magnum primer.