308 VS 7.62x39 | Short Barrel Test to 100 Yards

Published on January 31, 2026
Duration: 9:00

This video provides a data-driven comparison between the .308 Winchester and 7.62x39mm calibers, specifically testing their performance from short barrels (16 inches) out to 100 yards. The host, demonstrating high expertise with ballistics, uses a LabRadar chronograph to collect precise velocity and energy data, concluding that the .308 Winchester significantly outperforms the 7.62x39mm even in shorter configurations.

Quick Summary

A ballistic test comparing .308 Winchester and 7.62x39mm from 16-inch barrels revealed the .308's significant superiority. At 100 yards, the .308 retained 1861 ft-lbs of energy versus 1139 ft-lbs for the 7.62x39mm, showcasing higher velocity and power.

Chapters

  1. 00:00Introduction and Visual Comparison
  2. 00:33Test Objectives and Ammunition
  3. 01:51.308 Testing with Tavor 7
  4. 04:217.62x39 Testing with AK-47
  5. 06:18Data Analysis and Conclusion

Frequently Asked Questions

How does the .308 Winchester compare to 7.62x39mm from short barrels?

In a test using 16-inch barrels, the .308 Winchester significantly outperformed the 7.62x39mm. At 100 yards, the .308 retained 1861 ft-lbs of energy compared to 1139 ft-lbs for the 7.62x39mm, demonstrating superior velocity and power.

What equipment was used to test the ballistic performance of .308 and 7.62x39mm?

The test utilized a LabRadar chronograph to accurately measure muzzle velocity and subsequent projectile speeds at various distances. This provided precise data for comparing the two calibers' performance characteristics.

Were there any reliability issues noted during the caliber test?

Yes, the host observed reliability issues with the IWI Tavor 7 when firing steel-cased ammunition. This highlights the importance of testing ammunition compatibility with specific firearm platforms.

What was the main conclusion of the .308 vs 7.62x39mm short barrel test?

The primary conclusion was that even with short barrels, the .308 Winchester cartridge offers substantially greater velocity and energy retention compared to the 7.62x39mm cartridge at 100 yards.

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