How to Set the CRS Zero Stop (Viper PST / HSLR / HST / XBR)
Learn how to set the CRS Zero Stop on your Vortex Riflescope or Crossbow scope. This process applies to all models that include the CRS feature: Viper PST Riflescopes, Viper HS-T Riflescopes, Viper HSLR Riflescopes (except 2.5-10x32 model), and the Viper XBR Crossbow Scope.
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