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Discussion in 'Sights, Optics and Lasers' started by bwh21, Sep 19, 2010.

  1. bwh21


    May 9, 2010
    I'm looking to buy a new red dot sight for my Sig 522. I'm looking for something cheap (<$50). I see a lot of the sights have MOA's of 4 or 5. I've looked up the definition of MOA and I know it's about 1" at 100 yds.

    Can anyone confirm that the MOA number means how big the red dot is in the scope at 100 yards. Basically, how big the actual dot is in the sight? So, for a 5 MOA sight, the dot will cover 5" at 100 yards?
  2. AZBru88


    May 21, 2010
    Yep you got it 5MOA = 5" at 100 yards or 2 1/2" at 50 yards or 1 1/4 " at 25 yards.

  3. RottnJP

    RottnJP Lifetime Member

    Feb 1, 2005
    ...Or 10" at 200 yards.... So the trade-off is, the larger dot aids quick acquisition, while the smaller dot is more precise, especially for longer ranges.