Lost Arts Part 6: The Ultimate .410 Shotgun

Published on January 22, 2012
Duration: 7:40

This video tests the structural integrity of a .410 single-shot shotgun when fired with high-pressure handgun and rifle cartridges like .454 Casull. Despite significant pressure, the firearm showed no signs of damage or barrel stretching, though projectiles keyholed due to the smoothbore. Terminal ballistics tests demonstrated impressive expansion of the .454 Casull round.

Quick Summary

A .410 single-shot shotgun was tested with high-pressure .454 Casull rounds, achieving velocities around 1800 fps. Despite projectiles keyholing due to the smoothbore, the shotgun showed no structural damage or bore expansion, and the .454 Casull round exhibited significant expansion upon impact.

Chapters

  1. 00:00Intro: Lost Arts .410 Shotgun Test
  2. 01:03Test Setup: .454 Casull Ammo & Chronograph
  3. 02:03Chronograph Results: 1755 fps & Keyholing
  4. 03:49Bore Inspection & Other Calibers (.45 Colt, .44 Mag)
  5. 06:23Terminal Ballistics: .454 Casull Expansion Test

Frequently Asked Questions

Can a .410 shotgun handle high-pressure rounds like .454 Casull?

In this 'Lost Arts' test, a .410 single-shot shotgun surprisingly withstood multiple .454 Casull rounds without structural damage or bore expansion. However, projectiles keyholed due to the smoothbore, indicating this is an extreme test not recommended for standard use.

What happens when you shoot .454 Casull from a .410 shotgun?

When fired from a smoothbore .410, .454 Casull rounds achieve high velocities (around 1800 fps) but keyhole due to lack of rifling. The .410 shotgun itself remained structurally sound in this specific test, but the accuracy is severely compromised.

How does a .454 Casull bullet perform after being fired from a .410 shotgun?

A .454 Casull projectile fired from the .410 shotgun demonstrated significant expansion and fragmentation when impacting water. Despite the keyholing during flight, the bullet's terminal performance was still substantial.

What is 'keyholing' in shooting?

Keyholing occurs when a bullet tumbles through the air, often due to insufficient rifling spin or a smoothbore barrel. This results in an elongated or oval hole on the target, indicating poor aerodynamic stability and reduced accuracy.

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