Which Is More Deadly?

Published on April 6, 2026
Duration: 1:11

This gel block test compares the terminal ballistics of 5.56x45mm NATO M855 Green Tip and 7.62x39mm Tula ammunition. The 5.56mm round demonstrated significant expansion and tumbling, while the 7.62x39mm round showed similar width expansion but greater length and penetration. The test highlights the distinct terminal effects of these common rifle calibers.

Quick Summary

A gel block test comparing 5.56x45mm M855 Green Tip and 7.62x39mm Tula ammunition revealed distinct terminal ballistics. The 5.56mm round showed dramatic expansion and tumbling, while the 7.62x39mm round achieved greater penetration and a longer wound channel.

Chapters

  1. 00:00Introduction: 5.56 vs 7.62x39 Gel Test
  2. 00:06Ammunition Used: M855 Green Tip vs Tula
  3. 00:155.56x45mm M855 Gel Test Results
  4. 00:327.62x39mm Tula Gel Test Setup
  5. 00:437.62x39mm Tula Gel Test Results
  6. 00:53Ballistics Comparison: 5.56 vs 7.62x39

Frequently Asked Questions

How does 5.56x45mm M855 Green Tip perform in terminal ballistics tests?

In gel block testing, 5.56x45mm NATO M855 Green Tip ammunition demonstrated significant expansion and tumbling. This resulted in substantial fragmentation and penetration, even breaking through a table in the test.

What are the terminal ballistics of 7.62x39mm Tula ammunition?

The 7.62x39mm Tula ammunition, when tested in a gel block, showed expansion similar in width to 5.56mm but was approximately twice as long. It also achieved greater penetration, exiting the rear of the gel block.

Does a suppressor affect bullet ballistics?

According to the test, a Zastava Zuk suppressor was used to alter the sound signature of the 7.62x39mm firearm. However, it was stated that the suppressor should not change the ballistics of the ammunition fired.

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