Pennsylvania Firearm Owners Association
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  1. #21
    Join Date
    Mar 2016
    Location
    Windber, Pennsylvania
    (Somerset County)
    Posts
    142
    Rep Power
    1014553

    Default Re: How do I sight in for 300 yards?

    See what CMP said above. Couldn't have explained better

  2. #22
    Join Date
    Jul 2015
    Location
    A spot, Pennsylvania
    (Bucks County)
    Posts
    135
    Rep Power
    4699795

    Default Re: How do I sight in for 300 yards?

    Today I had a perfect example of what I was talking about. Went to the range and shot a group on Tuesday to test a new load, two through the same hole with the third I pulled slightly left for a 0.3 MOA group. Today that same load went into a 0.7 MOA triangle and a 1" horizontal line.

  3. #23
    Join Date
    Feb 2010
    Location
    Levittown, Pennsylvania
    (Bucks County)
    Posts
    9,631
    Rep Power
    21474860

    Default Re: How do I sight in for 300 yards?

    Sounds like a machine rest is needed to eliminate all variables that lurk within the rifleman's human systems.

  4. #24
    Join Date
    Jul 2015
    Location
    A spot, Pennsylvania
    (Bucks County)
    Posts
    135
    Rep Power
    4699795

    Default Re: How do I sight in for 300 yards?

    Nah turns out I just needed to clean the barrel, I was shooting without cleaning it to see how long I could go running 212gr bullets at 3000 fps before accuracy dropped off, turns out the magic number is around 700 rounds.

    However when it went it went big time, groups went from 0.3 MOA to upward of 1.5 MOA and I was scrambling three days before a long range shooting class to determine if my barrel was shot out at 1100 rounds. Cleaning fixed it and I was able to go right back to shooting tiny targets really far away.

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