Quick Tip: How To Install a Volquartsen THM Barrel on an M&P15-22

Published on July 30, 2019
Duration: 6:18

This guide details the installation of a Volquartsen THM tension barrel on an M&P15-22. It covers the necessary disassembly steps, including removing the forend and flash suppressor, and the specialized process of using a barrel wrench to install the new barrel. The guide emphasizes the unique rearward barrel installation method of the M&P15-22 and the importance of proper torque for the barrel nut.

Quick Summary

Installing a Volquartsen THM barrel on an M&P15-22 involves specialized tools like a M&P15-22 specific barrel wrench and a padded vise. The barrel is installed from the rear of the receiver, and the THM design uses a carbon fiber sleeve with tension for enhanced rigidity and accuracy.

Chapters

  1. 00:04Introduction to Volquartsen THM Barrel Install
  2. 00:26Preparing the M&P15-22 for Barrel Removal
  3. 00:38Removing the Forend Plug
  4. 00:59Loosening the Flash Suppressor
  5. 01:37Using the Barrel Wrench to Loosen Barrel Nut
  6. 03:05Removing the Old Barrel
  7. 03:13Installing the Volquartsen THM Barrel
  8. 03:46Threading the New Barrel and Nut
  9. 04:26Snugging Barrel Nut by Hand
  10. 04:32Torquing the Barrel Nut
  11. 05:02Forend Plug and Flash Suppressor Options
  12. 05:15Reassembling the Firearm
  13. 05:57Final Bolt Check and Conclusion

Frequently Asked Questions

What is a Volquartsen THM barrel and how does it differ?

A Volquartsen THM barrel features a carbon fiber sleeve with tension applied at both ends. This tensioning method is designed to enhance the rigidity of the barrel's core, potentially leading to improved accuracy compared to standard barrels.

What special tools are needed to install a Volquartsen THM barrel on an M&P15-22?

You will need a padded vise for stability and a specialized barrel wrench designed specifically for the M&P15-22's barrel nut. Standard tools may not properly engage or can damage the barrel nut.

How is the barrel installed on an M&P15-22?

Unlike many AR-style platforms, the M&P15-22's barrel is installed and removed from the rear of the receiver. This requires careful alignment as you thread the barrel nut.

Do I need to reinstall the original forend plug with a Volquartsen THM barrel?

No, the Volquartsen THM barrel is designed such that the original forend plug will not fit over it. You can choose to reinstall the flash suppressor or use a thread protector.

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