We Fire the Wrong Calibers Through The Wrong Guns

Published on August 6, 2023
Duration: 13:53

This video demonstrates the extreme risks of firing incorrect calibers through firearms. Expert instructor Micah Mayfield showcases tests involving .300 Blackout in a 5.56 AR-15, 8x57mm in a .410 shotgun, and .50 BMG in a 12-gauge shotgun, among others. The content highlights the critical importance of using the correct ammunition for firearm safety and function, detailing potential catastrophic failures and the dangers of mismatched pressures.

Quick Summary

Firing the wrong caliber through a firearm is extremely dangerous and can cause catastrophic failure and severe injury. While some firearms might survive mismatched ammunition, like .38 Special in a .357 Magnum, it's never recommended. Tests show .300 Blackout in a 5.56 AR-15 can cause significant damage, and .50 BMG in a 12-gauge is ineffective and unsafe.

Chapters

  1. 00:40Introduction to Caliber Testing
  2. 03:04Test 1: .300 Blackout in 5.56 AR-15
  3. 05:03Test 2: 8x57mm in .410 Henry
  4. 07:26Test 3: .50 BMG in 12-Gauge Shotgun
  5. 08:59Test 4: .380 ACP in 9mm CZ SP-01
  6. 10:06Test 5: .38 Special in .357 Magnum
  7. 11:39Conclusion and Safety Warning

Frequently Asked Questions

What happens when you fire the wrong caliber through a gun?

Firing the wrong caliber can lead to catastrophic firearm failure, severe damage to the gun, and serious injury to the shooter or bystanders due to extreme pressure differences and mechanical incompatibility. It is never recommended.

Is it safe to fire .38 Special in a .357 Magnum revolver?

Yes, it is generally safe and common practice to fire .38 Special ammunition in a .357 Magnum revolver. The .38 Special is a lower-pressure round and is often used for practice to reduce recoil and cost.

Can a .50 BMG round be fired in a 12-gauge shotgun?

While a .50 BMG round might physically fit into a 12-gauge shotgun chamber, firing it is extremely dangerous and ineffective. The lack of a proper seal means the projectile will travel very slowly, and the firearm is not designed for such pressures or case dimensions.

What are the risks of firing .300 Blackout in a 5.56 AR-15?

Firing .300 Blackout in a 5.56 AR-15 can cause significant internal damage, including a bowed lower receiver and a blown-out magazine release. While not always a violent explosion, it can render the firearm inoperable and unsafe.

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