I Found A 5.7 That Doesn’t Suck

Published on June 20, 2025
Duration: 15:56

This video provides an expert-level analysis of various 5.7x28mm ammunition loads, conducted by Banana Ballistics. The host utilizes professional equipment like a Garmin Xero C1 Pro chronograph and standardized ballistics gel testing to empirically evaluate penetration on mild steel and performance in gel. The testing reveals significant differences in effectiveness between various loads, highlighting the importance of empirical data for selecting high-performance ammunition.

Quick Summary

Banana Ballistics conducted expert-level testing of 5.7x28mm ammunition, evaluating steel penetration and ballistics gel performance using a Garmin Xero C1 Pro chronograph. Results showed SM855 and T6B excelled in steel penetration, while 36 gr GPM and 55 gr Expanding Copper Sub were favored for gel performance.

Chapters

  1. 00:00Introduction to 5.7x28mm Testing
  2. 00:31Mild Steel Penetration Tests
  3. 06:08Advanced Steel Testing
  4. 07:09Ballistics Gel Performance
  5. 15:40Conclusion and Summary

Frequently Asked Questions

What are the best performing 5.7x28mm loads for steel penetration?

Based on the testing, the SM855 and T6B 5.7x28mm loads demonstrated the ability to penetrate 1/8 inch mild steel, outperforming many other tested rounds in this specific test.

How does 5.7x28mm ammunition perform in ballistics gel?

Performance in ballistics gel varied significantly. The 40 gr FMJ penetrated 20 inches, while subsonic loads showed mixed results. High-velocity loads created large temporary cavities but had limited penetration due to fragmentation or tumbling.

What equipment was used for the 5.7x28mm ammunition testing?

The testing utilized professional equipment including a Garmin Xero C1 Pro chronograph for velocity measurements and standardized ballistics gel blocks for terminal performance analysis on an outdoor shooting range.

Which 5.7x28mm loads were favored for ballistics gel performance?

The host identified the 36 gr GPM and the 55 gr Expanding Copper Sub as his preferred loads for ballistics gel performance, highlighting their effectiveness in terminal ballistics testing.

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