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slide milling

  1. FN509 RMR Cuts

    so... I have been shopping around a little trying to decide on who I want to use to cut my slide for a sight on my 509 and that's not backlogged for 10+ weeks. I have two questions 1) a couple of the shops are saying that the Trijicon RMR "WILL" co-witness with the factory sights and others are...