Faxon 11.5" 5.56 Gunner Barrel - You Asked For This...

Published on October 17, 2021
Duration: 20:03

This video provides an in-depth review of the Faxon 11.5" 5.56 Gunner barrel, highlighting its unique combination of a mid-length gas system on a short barrel and its lightweight 'Gunner' profile. The analysis covers its construction, gas port size, recoil impulse, accuracy potential, and suitability for suppressed use, offering practical insights for AR-15 builders.

Quick Summary

The Faxon 11.5" 5.56 Gunner barrel is a unique option featuring a lightweight profile and a mid-length gas system on a short barrel, requiring a large gas port for reliable cycling. It's constructed from 4150 CMV steel with a 1:8 twist rate. While it offers significant weight savings, suppressed use may require a heavier buffer to mitigate bolt bounce, and its accuracy is considered acceptable but not top-tier.

Chapters

  1. 00:00Intro & Sponsor
  2. 01:49Welcome & Sponsor Mention
  3. 03:03Barrel Specifics: Length & Gas System
  4. 04:00Material, Profile & Twist Rate
  5. 05:12Unique Features & Market Position
  6. 05:30Gas System Analysis & Recoil Impulse
  7. 06:34Gas Port Size Measurement
  8. 07:14Recoil Impulse & Shootability
  9. 08:06Suppressed Use & Bolt Bounce
  10. 08:43Round Count & Reliability
  11. 09:43Weight vs. Performance
  12. 10:13Heat & Point of Impact Shift
  13. 11:48Accuracy Testing Methodology
  14. 12:33Ammunition Tested & Group Sizes
  15. 13:27Overall Accuracy Assessment
  16. 14:20Price & Value Proposition
  17. 15:14Comparison to Competitors
  18. 15:35Personal Preference: Weight vs. Longevity
  19. 16:15Recommendation Factors
  20. 17:03Build Quality Assessment
  21. 17:28Rifle Setup Overview
  22. 19:31Final Verdict & Conclusion

Frequently Asked Questions

What are the key features of the Faxon 11.5" 5.56 Gunner barrel?

The Faxon 11.5" Gunner barrel is notable for its lightweight profile, 1:8 twist rate, 4150 CMV steel construction with black nitride finish, and M4 feed ramps. Uniquely, it features a mid-length gas system on an 11.5-inch barrel, requiring a large gas port for reliable cycling.

How does the Faxon 11.5" Gunner barrel perform with suppressors?

When suppressed, the large gas port and increased dwell time can cause significant bolt bounce with a standard carbine buffer. Using an H2 or heavier buffer is recommended to slow the bolt velocity and ensure proper cycling without excessive carrier bounce.

What is the accuracy like for the Faxon 11.5" Gunner barrel?

Accuracy testing at 100 yards showed groups ranging from 1.5 inches with match ammo to 5 inches with steel case. While acceptable for general use, it's noted as not being as accurate as some competing barrels like Rosco or Ballistic Advantage.

Is the Faxon 11.5" Gunner barrel a good choice for weight savings?

Yes, the 'Gunner' profile makes this barrel significantly lighter than many competitors, saving approximately 4-6 ounces. If shaving weight is a top priority for your build, this barrel is a strong contender, though it may come with trade-offs in heat management and potentially accuracy.

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