Battle Of The Big And Slow | 338 vs 8.6

Published on July 6, 2025
Duration: 26:00

This review compares the .338 ARC and 8.6 Blackout calibers, evaluating their long-range performance and terminal ballistics. While the .338 ARC demonstrated superior energy retention at 300 yards, the 8.6 Blackout was ultimately chosen as the winner due to platform versatility and potential for specialized ammunition.

Quick Summary

The .338 ARC showed better energy retention at 300 yards (850 ft-lbs vs 580 ft-lbs), but the 8.6 Blackout was chosen as the overall winner due to superior platform versatility and potential for specialized ammunition.

Chapters

  1. 00:00Intro: Big & Slow Calibers
  2. 01:09Test Rifles & Optics
  3. 01:55Ammunition Selection
  4. 03:05Chronograph & Range Testing
  5. 07:34Ballistic Data Analysis
  6. 09:29Ballistic Dummy Terminal Testing
  7. 15:43Terminal Ballistics Comparison
  8. 22:34Final Verdict

Frequently Asked Questions

What is the main difference between the .338 ARC and 8.6 Blackout calibers tested?

The .338 ARC, developed by Hornady, generally offers higher energy retention at range due to its design. The 8.6 Blackout, by Q, is noted for its platform versatility and potential for specialized ammunition types.

How did the .338 ARC and 8.6 Blackout perform in terminal ballistics testing?

Both calibers showed significant terminal effects. The .338 ARC subsonic created a large wound cavity, while the 8.6 Blackout supersonic round caused extensive trauma and fragmentation, outperforming the Gorilla subsonic load.

Which caliber was declared the winner and why?

The 8.6 Blackout was chosen as the overall winner. This decision was based on the superior platform support available for the caliber, particularly the Q Boombox, and its potential for specialized ammunition payloads.

What energy levels are considered effective for different targets?

For human targets, an industry standard of 450-500 ft-lbs of energy is typically considered sufficient. For larger game, the requirement increases to 800-1200 ft-lbs of energy.

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