SOLGW Combat V2 13.7” Button Rifled Barrel - Better Than the CHF Version?

Published on May 28, 2026
Duration: 8:01

This review examines the Sons Liberty Gunworks Combat V2 13.7" button-rifled barrel, comparing it to its Cold Hammer Forged counterpart. The analysis includes detailed measurements, material specifications, and extensive ballistic testing with various ammunition types. The barrel is constructed from 4150 chrome moly vanadium steel, QPQ treated, and features a 1-7 twist rate and mid-length gas system, demonstrating competitive accuracy for its price point.

Quick Summary

The Sons Liberty Gunworks Combat V2 13.7" button-rifled barrel is constructed from 4150 chrome moly vanadium steel with a QPQ treatment. It features a 5.56 NATO chamber, 1-7 twist, mid-length gas system, and weighs 1.6 pounds. Ballistic testing showed a 30-shot group of 1.986 MOA with Federal Gold Medal ammo.

Chapters

  1. 00:00Introduction: Combat V2 13.7" Button Rifled Barrel
  2. 00:14Discontinuation and Replacement
  3. 00:30Barrel Specifications and Materials
  4. 00:47Weight and Initial Measurements
  5. 00:51Chamber and Throat Condition
  6. 00:59Headspace and Fitment
  7. 01:03Gas Block Journal and Port Diameter
  8. 01:11Machining Marks and Rifling Inspection
  9. 01:25Rifling Comparison
  10. 01:35Gas Port and Crown Inspection
  11. 01:49Shooting Test Setup and Methodology
  12. 01:55Federal Gold Medal Ballistics Results
  13. 02:30Comparison to 13.9" CHF Barrel
  14. 02:40Performance Ranking: Federal Gold Medal
  15. 02:57Testing with Hornady 73gr ELD Match
  16. 03:28Performance Ranking: Hornady ELD Match
  17. 03:55Testing with Winchester M193
  18. 04:38Winchester M193 Ballistics Results
  19. 04:54Performance Ranking: Winchester M193
  20. 05:08IMI Razorcore 77gr Mention
  21. 05:15Conclusion and Final Thoughts

Frequently Asked Questions

What are the key specifications of the Sons Liberty Gunworks Combat V2 13.7" button-rifled barrel?

The barrel is made from 4150 chrome moly vanadium steel, QPQ treated, with a 5.56 NATO chamber, 1-7 twist rate, mid-length gas system, and 1/2x28 muzzle threads. It weighs approximately 1.6 pounds.

How does the Sons Liberty Gunworks Combat V2 13.7" button-rifled barrel perform in terms of accuracy?

In testing with Federal Gold Medal ammunition, it achieved a 30-shot group size of 1.986 MOA and a 10-shot average of 1.4 MOA, demonstrating competitive accuracy for its class.

Is the Sons Liberty Gunworks Combat V2 13.7" barrel still available?

No, this specific barrel model has been discontinued by Sons Liberty Gunworks. However, some retailers may still have remaining stock. It has been replaced by the Liberty Fighting barrel.

What is the material and finish of the Sons Liberty Gunworks Combat V2 13.7" barrel?

The barrel is constructed from 4150 chrome moly vanadium steel and features a QPQ (Quench Polish Quench) treatment applied both inside and outside for enhanced durability and corrosion resistance.

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