NEXUS Barrel Change

Published on March 6, 2025
Duration: 6:42

This guide details the process of changing the barrel, bolt head, and magazine box on the Gunwerks NEXUS rifle system to convert calibers. It emphasizes the use of specific tools like a torque wrench and anti-seize, and outlines the steps for disassembling and reassembling the action, including critical torque specifications for action screws and clamp screws. The guide also covers the procedure for swapping bolt heads when changing between magnum and standard calibers.

Quick Summary

The Gunwerks NEXUS rifle system allows caliber changes by swapping the barrel, bolt head, and magazine box. Key steps include removing action screws, releasing the action by loosening clamp screws, installing the new barrel with its O-ring, and re-torquing action screws to 40 inch-pounds and barrel clamp screws to 60 inch-pounds. Anti-seize is recommended for action screws to prevent galling.

Chapters

  1. 00:02Introduction to NEXUS Caliber Change
  2. 00:12Tools and Parts Needed
  3. 00:33Removing the Bolt and Magazine
  4. 00:49Removing Action Screws and Stock
  5. 01:07Releasing the Action
  6. 01:51Preparing and Installing New Barrel
  7. 02:22Inserting Bolt and Closing Action
  8. 02:41Trigger Warning and Safety
  9. 02:53Torquing Barrel Clamp Screws
  10. 03:46Applying Anti-Seize to Action Screws
  11. 03:57Reinstalling the Stock
  12. 04:09Applying Anti-Seize to Action Screws
  13. 04:34Torquing Action Screws
  14. 05:08Swapping Bolt Head (Magnum to Standard)
  15. 05:24Bolt Disassembly and Reassembly
  16. 06:01Reinstalling New Bolt
  17. 06:09Installing Magazine Box
  18. 06:13Post-Swap Considerations (POI Shift)
  19. 06:30Final Steps: Re-zeroing

Frequently Asked Questions

What tools are necessary for a caliber change on the Gunwerks NEXUS rifle system?

To perform a caliber change on the Gunwerks NEXUS rifle system, you will need a torque wrench with a T25 Torx bit, a new bolt head if switching between magnum and standard calibers, the correct magazine box for the new caliber, and copper or nickel anti-seize compound.

What are the torque specifications for the Gunwerks NEXUS rifle system barrel and action screws?

For the Gunwerks NEXUS rifle system, the barrel clamp screws should be torqued to 60 inch-pounds, and this process should be repeated three times. The action screws should be torqued to 40 inch-pounds, and it's recommended to torque them a second time for proper seating.

How do you release the action from the barrel on the Gunwerks NEXUS rifle system?

To release the action on the Gunwerks NEXUS, back out the front and rear clamp screws two revolutions, then loosen the middle screw until its e-clip touches the inside of the action. This allows the action to become loose and detach from the barrel.

Why is anti-seize important when changing barrels on the NEXUS rifle?

Applying anti-seize to the action screws and their holes on the Gunwerks NEXUS rifle is crucial. It prevents the screws from binding or galling, ensuring they can be easily loosened and tightened during future barrel swaps, maintaining the rifle's modularity.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from Gunwerks

View all →