300 Blackout VS 5.56 Energy Out To 75 Yards

Published on December 27, 2025
Duration: 5:28

This guide details a practical ballistic comparison between .300 Blackout and 5.56 NATO, utilizing a LabRadar for empirical data collection. The Gun Dungeon Host, demonstrating high authority and expertise in handloading and ballistic measurement, provides a data-driven analysis relevant for hunters seeking optimal performance within specific engagement distances. The comparison highlights the significant energy advantage of .300 Blackout for hunting applications requiring a minimum energy threshold.

Quick Summary

A ballistic comparison shows .300 Blackout (125gr) delivering 1805 ft-lbs muzzle energy vs. 1111 ft-lbs for 5.56 NATO (60gr). At 75 yards, .300 Blackout retains 1529 ft-lbs, while 5.56 NATO drops to 892 ft-lbs, making .300 Blackout superior for hunting requiring over 1000 ft-lbs.

Chapters

  1. 00:00Introduction and Setup
  2. 01:345.56 NATO Testing
  3. 02:05300 Blackout Testing
  4. 02:32Data Analysis and Conclusion

Frequently Asked Questions

What is the muzzle energy difference between 300 Blackout and 5.56 NATO?

At the muzzle, a 125-grain .300 Blackout handload registered 1805 ft-lbs of energy, while a 60-grain 5.56 NATO handload produced 1111 ft-lbs. This demonstrates a substantial initial energy advantage for the .300 Blackout.

How does 300 Blackout energy compare to 5.56 NATO at 75 yards?

At 75 yards, the .300 Blackout maintained 1529 ft-lbs of energy, whereas the 5.56 NATO dropped to 892 ft-lbs. This significant difference highlights the .300 Blackout's superior energy retention for hunting applications at this range.

What factors can affect ballistic radar readings?

Ballistic radar readings, like those from a LabRadar, can be affected by projectile size, velocity, and environmental conditions such as lighting. Smaller or faster projectiles may be harder for the radar to track accurately, potentially limiting the range at which reliable data can be collected.

Which caliber is better for deer hunting based on this test?

Based on the test data and a common hunting recommendation of 1000 ft-lbs minimum energy for deer, the .300 Blackout is the clear winner. It maintained energy levels well above this threshold out to 75 yards, unlike the 5.56 NATO.

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