Originally Posted by
bionicbob
Robert I have a savage 12 F-class in 6.5-284 with a 30 in bbl My load is lapua brass cci br2 primers sierra 142 mk with hybrid 100. 51 gr gives me 3100 fps with no pressure signs. 53 gr gave me 3250 fps but to much pressure very heavy bolt lift and stretched the primer pockets. my thoughts a rough throat or a rough barrel. if you have a bore scope check for roughness. if it is rough try some of Tubbs coated bullets . He has a couple bore maintenance options. we have had very good results to fantastic results. I hope this help
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