S Style Extreme Shock End Cap

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XS Firenock Extreme Shock End Cap packs are custom accessory or replacement packs for S style Firenock lighted nocks.  With installation of extreme shock end cap, your Firenock lighted nock will be able to shoot into hard object: cinder block, rock and most dried out hard wood without being destroyed and your Firenock will stay "Bright Lit".
    Standard Packge :
  • 3 extreme shock end caps with O-rings
  • 1 installation tool

    Bulk Package:

  • 100 extreme shock end caps with O-rings
  • Gel type super glue (e.g. Firenock AGOGEL, sold separately) is needed to successfully install Extreme Shock End Cap.
  • Clean arrow shaft with acetone before installation of End Cap.
  • Put glue into your cleaned arrow shaft (do not put glue on End Cap / Tool).
  • Insert End Cap with tool straight (rotate slightly may need) into the arrow shaft.


  • 5
    Extreme shock end cap

    Posted by Jeff on Nov 12th 2021

    Firenock products when installed properly have never let me down. consider the extreme shock end cap a must on all your hunting arrows for those bone hits.