D3 Style Firenock Replacement Nock (7/14/100)

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Firenock “D3” was made for those who own crossbows that not only require a 0.165” serving, but need a shorter head to compensate for a trigger box. This nock is practically identical to the “D2” nock except for its stubbier prongs.

To fit crossbows with a 0.165" serving and arrows with a 0.300" ID with triggers / anti-dry-fire (ADF) systems that require a short-pronged design.

Available in 18 colors / shades (3 nock colors x 6 LED colors)

Full system, on average, weighs only ~31 grains

  • Ready for the only target lighted nock system that is IBO & ASA approved: Firenock “T” circuit

  • Ready for hunting and intermittent lighted nock systems that stay lit / blink for up to 21 days with a BL battery powering a Firenock “H” / “I” red circuit


  • 5
    D3 nock for Mission Sub 1

    Posted by Vito Benedetto on Mar 2nd 2024

    High quality and well designed nock. I have used Firenocks for over 10 years.

  • 5
    D3 nocks

    Posted by Dale Pechacek on Dec 27th 2023

    Excellent nocks! Best choice for mission crossbows. Wish there were opaque versions for those of us who don't use the lighted feature.

  • 5
    D3 Style Firenock

    Posted by Robert Palmer on Oct 5th 2022

    Perfect fit for Excalibur Cross Bow

  • 5
    Firenock D3

    Posted by bbahunter on Apr 13th 2021

    Firenock products are very well made products. I decided to try the D3 nocks out of my Excalibur for the full containment. I use Q nocks out of my Scorpyd. These nocks fit perfect and are very accurate. I will shoot these from my Excalibur from now on.