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  1. 500gr. LFN Load Data for 18" marlin guide gun

    The 45/70 Govt.
    came across a couple of boxes of 500gr. xtreme lead bullets. looking for a good load data usually shoot 300 and 405 but since i have a box of 1k figured id use but can only find data for trapdoor. figuring OAL to be 2.530-2.560 according to realguns.com load testing but he's only using RE-7...
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