pwrlineman
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- 97
I purchased a used rem 700, 7mm mag and have started prepping some once fired brass to reload. I fired 17 rounds of hornady 154 gr sst, shortly after buying,and noticed that the bolt was hard to close but shrugged it off. The reloading manuals give a oal of 3.290 which is about what the factory hornadys are. However, The lead length seems much shorter and closer to 3.200. I have three factory hornady's left and when I close the bolt it leaves rifling marks on the bullet! I have tried to determine the lead length by inserting a case with a loose bullet but the bullet falls back into the case! What am I to do. I found a couple of references on the web about this problem, but none of them seem to explain the problem. I would really appreciate some advice. Thanks