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sight mark mini

  1. Zeroing in a Sight Mark Mini on a 336 final adjustment

    Bought a sight mark mini shot red dot for my new 336Y 30/30 compact after 11 bullets i have a 3 shot group the size of a nickel about 3"'s low and 3"'s to the right but the dots adjustments are so jumpy i've decided to ask for help on the next step so what do you recommend from here 25 yards...