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Note on Scope Ring Compatibility

Mk. X Rifles

Receiver Serial Numbers 'CHB000002'  -  'CHB000378'


We have identified several scope rings that are incompatible with the aforementioned Mk. X receivers.

The list includes, and may not be limited to:

  • Nightforce X-Treme Duty
  • Leupold BackCountry
  • Leupold Mark 4
  • Seekins Precision
  • Vortex Pro Series (Horizontal Split)
  • Vortex Precision Matched
  • Warne Mountain Tech