300 Blackout vs 7.62x39: Never Would've Guessed

Published on October 31, 2023
Duration: 12:18

This video from Banana Ballistics pits the 300 Blackout against the 7.62x39mm in an ultimate barrier testing scenario. The host, demonstrating high expertise through custom equipment and precise measurements, analyzes performance against lumber, sand, concrete, and steel. The comparison highlights surprising results, with 300 Blackout outperforming 7.62x39 against concrete, while 7.62x39 showed better performance against steel.

Quick Summary

Banana Ballistics conducted an ultimate barrier test comparing 300 Blackout and 7.62x39mm. The 7.62x39mm had slightly higher muzzle velocity (2344 fps) and energy (1489 ft/lbs) than 300 Blackout (2215 fps, 1340 ft/lbs). 300 Blackout excelled against concrete, while 7.62x39mm showed better steel penetration depth.

Chapters

  1. 00:00Introduction & Test Setup
  2. 00:32Velocity & Energy Comparison
  3. 01:00The Uni-Sled Testing Rig
  4. 01:51Round 1: Lumber Test
  5. 03:59Round 2: Sand Test
  6. 06:59Round 3: Concrete Test
  7. 08:58Round 4: Steel Test
  8. 11:51Tiebreaker & Conclusion

Frequently Asked Questions

How did 300 Blackout and 7.62x39mm perform against concrete in the barrier test?

In the barrier test, the 300 Blackout round successfully penetrated 2-inch concrete blocks and the plywood witness board. The 7.62x39mm round shattered the concrete but failed to penetrate the witness board, indicating superior performance for 300 Blackout in this specific scenario.

What were the muzzle velocity and energy differences between 300 Blackout and 7.62x39mm?

The 7.62x39mm ammunition (122 gr FMJ) averaged 2344 fps with 1489 ft/lbs of muzzle energy. The 300 Blackout (123 gr FMJ) averaged 2215 fps with 1340 ft/lbs of muzzle energy, showing a slight advantage for the 7.62x39mm.

Which caliber performed better against steel in the Banana Ballistics test?

Against 1/4-inch mild steel, both 300 Blackout and 7.62x39mm penetrated. However, against 3/8-inch steel, neither penetrated. The 7.62x39mm achieved a deeper indentation (0.208") compared to the 300 Blackout (0.164").

What is the 'Uni-Sled' used for in ballistic testing?

The 'Uni-Sled' is a custom-built universal testing rig designed by Banana Ballistics. It is constructed from AR500 steel and is used to hold various barrier materials and a witness board consistently for repeatable and objective comparative ballistic testing.

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