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replacement

  1. 1911 Gunsmithing
    I purchase this Kensight adjustable replacement sight to install on my Colt 5 inch government MarkIV series 80 in 9x23 Winchester. Problem: There are no internal threads on the sight for the elevation screw. Just a hole on the mount where the adjustment screw protrudes through. It looks as...
  2. AR Forum
    Hello everyone, my AR has a commercial spec buffer tube which I'd like to change to mil spec. Is it a simple drop in replacement? Or Would I need a mil spec specific castle nut, and mil spec specific components? Thanks!
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