Nightforce X-Treme Duty™ Steel Rings 30mm

Nightforce X-Treme Duty™ Steel Rings 30mm

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Brand Nightforce


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Made to our own stringent, uncompromising specifications.  Designed to fit Mil. Std. 1913 bases, we machine a load-bearing recoil lug on the grade eight crossbolt.  This lug precisely matches the machined cross lug of our Nightforce bases, providing perfect alignment and superior accuracy. Offered in four heights for 30mm diameter tubes.


NOTE: Clean all mating surfaces thoroughly before mounting. Use a torque wrench and do not exceed recommended torque values:


  • 4-screw models - 68 in-lb
  • 6-screw models- 100 in-lb

Cap Screws:

  • All models- 25 in-lb

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