The right bolt for the TenPoint Vengent S440
The correct bolt length, nock and minimum grain weight for the TenPoint Vengent S440, and what stops a dry-fire.
Dry-fire warning
Bolt length, nock type and minimum grain weight are quoted from each manufacturer's published arrow data and owner documentation, cited on every page. A nock or grain-weight mismatch can cause a dry-fire that damages the bow and can injure the shooter. Confirm against your own owner's manual before shooting, and never drop below the stated minimum total grain weight.
| Bolt length | 20 in |
|---|---|
| Required nock | Alpha-Nock |
| Factory arrow | EVO-X CenterPunch, 445 gr, +/-.001 straightness |
| Rated speed | 440 fps (445 gr CenterPunch) |
| Minimum total grain | 445 gr total with the CenterPunch HPX |
TenPoint EVO-X CenterPunch 20 in carbon arrow with Alpha-Nock
Search Amazon for TenPoint EVO-X CenterPunch 20 in carbon arrow with Alpha-Nockaffiliate searchField notes
The Vengent S440 is a forward-draw TenPoint rated at 440 fps and shipped with 20-inch EVO-X CenterPunch carbon arrows on an Alpha-Nock. It is a post-2019 bow, so the Alpha-Nock is required.
Do not substitute a half-moon or Omni nock. The Vengent's barrel is set up for the Alpha-Nock, and the wrong nock family both voids the warranty and risks a dry-fire.
Related crossbows and the nock
Sources: TenPoint launches 2025 crossbow lineup (Bowhunter) · TenPoint - EVO-X CenterPunch 20 inch arrow spec (Lancaster Archery listing) · TenPoint - Alpha-Nock use required on TenPoint and Wicked Ridge crossbows