In 2016, there was only one 0.300” size that required a different end cap installation tool—the previous half moon nock. Therefore, to allow our customers the chance to easily swap nock styles (between C/D/D2/D3/F/J/Q/U/V), the “M” nock was developed using the “F” nock as a base.
To fit most crossbow shafts with a 0.298" - 0.303” ID.
Equipped dual O-ring system (O-rings not included, select at purchase) and hybrid half-moon design.
Available in 18 colors / shades (3 nock colors x 6 LED colors)
Full system, on average, weighs only ~29 grains
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Ready for the only target lighted nock system that is IBO & ASA approved: Firenock “T” circuit
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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
Reviews
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Great nock for all crossbows
I have bought two packs of these. I bought the first pack to make sure they would work and I would like them. Super pleased with them and their performance. Only thing I would recommend is they send them with the required O rings as I didn't order them with the second pack I ordered and now I don't want to spend another $8 on shipping for the O rings required to use these nocks. Not sure why they would be sold separately for something that is required to use these nocks???