U Style

Specifications:

  • Fit 0.300" ID shafts
  • U style polycarbonate nock is design to fit for  0.135" +/- 0.005" center string serving
  • Use U+ or U+5 Style if bow rated 500fps+ (see here for more details)
  • Sample of 0.135" OD serving crossbows
    • Ravin™
    • Scorpyd Deathstalker with Center Serving String size of 0.142" OD
  • U+ style 6061-T6 Aluminum nock is design to fit 0.133" OD center serving with 0.122" opening for Ravin 500 
  • U+5 style 6061-T6 Aluminum nock is design to fit 0.133" OD center serving with 0.127" opening for Ravin 500 
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