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  1. PDP
    Hi guys, do somebody have any experience with Walther PDP and co-witness with Holosun 407C, 507C or 508T micro red dot? I mean with original out of the box sights. Is it acceptable or you need to change it to suppressor high sights? You know, I don't want to change the sights (supressor sights...
  2. PPQ
    I am a new(ish) pistol shooter and wanted to share my experience with the addition of a Holosun HS507c reflex sight. I have put about 400 rounds through my PPQ Q5 at my range using the stock iron sights without really understanding why some of my groupings were messy. Adding the red dot sight...
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