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  1. Optics, Mounts, and Sights
    Hello Everyone, First time posting. I've done my best to check old posts to answer this question, but did not see range results. With respect to MFI's rear diopter sight and rail, many of you are familiar with the manufacturer's product description, which states: As I am not a huge believer...
  2. Buy Sell Trade (Non-FFL)
    I have been looking everywhere for one of these for my P556. WTB Clean Sig 556 rear rail-mount factory diopter sight. New member, paypal preferred. Thank you for your time!
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