300 blackout (Sub sonic ) load w/ 175gr ???

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  • papa6x

    Marksman
    Rating - 0%
    0   0   0
    Nov 12, 2012
    216
    18
    SW Indiana
    My Sierra manual doesn't list a sub sonic load with that bullet. The lowest it shows is 1200 fps, and that is listed in the 300 Whisper data. You might find something here. 300blktalk.com Lots of info there about the BO.
     
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