Excalibur Rhino nock vs Half-moon nock: specs compared
Updated 05 September 2026.
4
specs differ
Excalibur Rhino nock and Half-moon nock differ on 4 specs: nock, form, fits, compatibility rule.
| Spec | Excalibur Rhino nock | Half-moon nock |
|---|---|---|
| Nock | Rhino nock (Excalibur half-moon) | half-moon (moon) nock |
| Form | half-moon style nock fitted to Excalibur Quill arrows, indexed to the string | shallow concave groove across a flat disc; must be indexed to the string |
| Fits | Excalibur Micro-series and TwinStrike crossbows shipped with Quill arrows | CenterPoint, most Barnett non-Hyper models, and many entry and mid crossbows |
| Compatibility rule | Excalibur ships Quill 16.5-inch arrows with a Rhino nock on the TwinStrike and Micro series. It is indexed like a half-moon nock and must be seated square to the string. | The groove must be indexed square to the string on every shot. If the odd-coloured (index) vane is not down, the string can sit on the rim of the nock and dry-fire the bow. |
Questions and answers
How do Excalibur Rhino nock and Half-moon nock compare?
Excalibur Rhino nock and Half-moon nock differ on 4 specs: nock, form, fits, compatibility rule.