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scar delta 17s

  1. Does the American Defense Delta mount require lapping?

    FN SCAR 17S
    I'm curious to hear from those of you who have installed the American Defense Delta mount on their SCAR. Do the rings mar the scope's finish out of the box without lapping? I'm hoping lapping isn't required due to the one-piece design, but I can't find info anywhere else with an answer. I...
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