The Beiter .166 Asymmetric Insert Nock is a precision-engineered push-in nock designed for arrow shafts with a .166” internal diameter. Manufactured to the exacting standards that Beiter is known for, this nock delivers consistent fit, reliable performance, and excellent durability for competitive and recreational archers alike.
Its asymmetric design is particularly suited to recurve and barebow archers who release the string with their fingers rather than a mechanical release aid. Because the string does not leave the fingers symmetrically, an asymmetric nock helps the arrow depart the bowstring in a cleaner and more controlled manner, promoting improved arrow flight and enhanced consistency downrange.
The Beiter .166 Asymmetric Insert Nock is compatible with many popular aluminium-carbon and carbon target shafts that accept a G-Nock style fit. For proper installation and performance, the Beiter logo should always face upwards.
Key Features
- Precision push-in nock for .166” diameter shafts
- Asymmetric design optimised for recurve and barebow shooting
- Helps promote cleaner string release and improved arrow flight
- Manufactured to tight tolerances for consistent fit
- Lightweight and durable plastic construction
- Compatible with many shafts that accept a G-Nock fit
- Available in Small Groove and Large Groove versions
- Suitable for target, field, and competition archery
Compatible Arrow Shafts
The Beiter .166 Asymmetric Insert Nock is suitable for many shafts that accept a G-Nock style fit, including:
- Easton XX75 Platinum Plus (1416–1916)
- Easton XX75 Jazz (1214–1916)
- Easton X7 Eclipse (1514–1914)
- Easton Vector
- Easton Carbon One
- Easton Avance
- Easton A/C/E
- Easton ProComp
Always verify the nock fit recommended by the shaft manufacturer before ordering.
Available Versions
Size #1 – Small Groove
Designed for bowstrings with a smaller centre serving diameter, providing a secure and precise string fit.
Size #2 – Large Groove
Designed for thicker centre servings or archers who prefer a slightly more forgiving string fit.
Installation
For correct alignment and optimum performance, install the nock with the Beiter logo facing upwards. This ensures the asymmetric profile is properly orientated to support a clean arrow release.
Why Choose the Beiter .166 Asymmetric Insert Nock?
The Beiter .166 Asymmetric Insert Nock combines lightweight construction, exceptional manufacturing precision, and a design tailored to the needs of recurve and barebow archers. Its asymmetric profile helps the arrow leave the string more efficiently, while its compatibility with many of the most popular target shafts makes it an excellent choice for archers seeking maximum consistency and reliable performance.






































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