Remington Model 8 &81 Barrel Assembly/Disassembly PSA

Published on February 23, 2021
Duration: 6:10

This guide details the disassembly and reassembly of the barrel assembly for the Remington Model 8 and 81 semi-automatic rifles. It emphasizes the importance of managing the recoil spring's stored energy using a threaded rod and a spanner wrench to prevent injury and damage. The process involves removing a barrel bushing, then carefully unscrewing the barrel nut while controlling the spring, followed by reassembly in reverse order, ensuring proper alignment of keyways.

Quick Summary

Safely disassemble the barrel on a Remington Model 8 or 81 by first removing the barrel bushing. Then, insert a threaded rod down the barrel to control the recoil spring's energy. Use a spanner wrench to unscrew the barrel nut, carefully managing the spring's release. Reassembly involves aligning the barrel's keyway with the washer's key before threading the nut back on.

Chapters

  1. 00:01Introduction to Recoil Spring
  2. 00:25Disclosure and Previous Work
  3. 00:46Initial Barrel Loosening
  4. 00:54Removing the Barrel Bushing
  5. 01:37Controlling Spring Energy with a Rod
  6. 02:14Using a Spanner Wrench
  7. 02:30Capturing the Spring Assembly
  8. 03:02Observing Spring Release
  9. 03:17Successful Spring Release
  10. 03:22Keyway Identification
  11. 03:54Reassembly: Compressing Spring
  12. 04:04Aligning Keyway and Key
  13. 04:13Holding and Threading Barrel Nut
  14. 04:27Addressing Crown Concerns
  15. 04:45Tightening Barrel Nut
  16. 05:02Final Barrel Bushing Threading
  17. 05:19Lubrication and Final Assembly
  18. 05:30Energy in Monolithic Rifles
  19. 05:42Completing Barrel Assembly
  20. 06:02Conclusion

Frequently Asked Questions

How do you safely remove the barrel from a Remington Model 8 or 81 rifle?

To safely remove the barrel, first ensure the rifle is unloaded. Remove the barrel bushing, then insert a threaded rod down the barrel to control the recoil spring. Use a spanner wrench on the barrel nut to unscrew it, carefully managing the spring's release. Finally, remove the barrel assembly.

What tools are needed for Remington Model 8/81 barrel disassembly?

Essential tools for Remington Model 8/81 barrel disassembly include a spanner wrench to turn the barrel nut and a threaded rod (e.g., 1/4-20 or approximately 6mm) to safely manage the recoil spring's stored energy during the process.

How do you prevent the recoil spring from exploding during Remington Model 8/81 barrel removal?

The recoil spring's energy is managed by inserting a threaded rod down the barrel. This rod acts as a guide and catch, ensuring the spring assembly is released in a controlled manner and does not kink or fly apart.

What is the purpose of the keyway on the Remington Model 8/81 barrel and washer?

The keyway on the barrel and the corresponding key on the washer are crucial for proper alignment during reassembly. They ensure the barrel nut and spring assembly are correctly positioned, preventing issues like cross-threading and ensuring the rifle functions as intended.

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