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  1. 3-0-hate

    GRT cartridge design help

    I just put together an 8x57 AI, because I'm weird and I like 8mm crap and hate money I guess.. I got the reamer inspection report from 4d, so I have that info, plus the crappy cartridge drawing on their reamer info page, so I have been trying to build it in GRT, so that I can estimate load...