Underwood Ammunition 44 Magnum 180gr XTP | Clear Ballistics Gel Test | 4.25” and 7.5” Barrels

Published on August 31, 2024
Duration: 8:39

This video details a ballistic gel test of Underwood Ammunition's 180gr XTP .44 Magnum rounds fired from both a 4.25-inch Colt Anaconda and a 7.5-inch Ruger Super Blackhawk. The test measured velocity and penetration, demonstrating significant energy dump and fragmentation, making it a viable option for self-defense.

Quick Summary

Underwood Ammunition's 180gr XTP .44 Magnum rounds achieved velocities of 1517 fps (4.25" barrel) and 1609 fps (7.5" barrel). In ballistic gel, they demonstrated significant fragmentation and a large wound channel, with penetration around 15 inches from the shorter barrel and 12.75-13.5 inches from the longer barrel, making them effective for self-defense.

Chapters

  1. 00:53Introduction: Underwood 44 Magnum 180gr XTP
  2. 01:19Testing Setup: 4.25" Colt Anaconda & 7.5" Ruger Super Blackhawk
  3. 02:21First Shots: 4.25" Barrel Gel Test
  4. 03:34Velocity Measurement & Bullet Performance (4.25" Barrel)
  5. 04:16Third Shot & Chronograph Reading (4.25" Barrel)
  6. 04:26Velocity Test: 7.5" Barrel
  7. 04:37Gel Test: 7.5" Barrel Performance
  8. 06:00Additional Shot: 7.5" Barrel
  9. 06:36Bullet Recovery and Examination
  10. 07:13Conclusion: 180gr XTP for Self-Defense

Frequently Asked Questions

What were the velocities achieved by Underwood Ammunition's 180gr XTP .44 Magnum rounds?

From a 4.25-inch barrel, the Underwood 180gr XTP .44 Magnum rounds achieved approximately 1517 feet per second. From a 7.5-inch barrel, velocities reached around 1609 feet per second, exceeding the advertised 1700 fps.

How did the Underwood 180gr XTP .44 Magnum perform in ballistic gel testing?

The 180gr XTP .44 Magnum demonstrated significant fragmentation, creating a large wound channel with penetration depths of around 15 inches from a 4.25-inch barrel and 12.75-13.5 inches from a 7.5-inch barrel.

Is Underwood Ammunition's 180gr XTP .44 Magnum suitable for self-defense?

Yes, the test suggests it's a viable self-defense round. It dumps a lot of energy quickly, fragments well, and achieves adequate penetration (over 12 inches) without excessive over-penetration, making it effective against human targets.

What was the penetration depth of the Underwood 180gr XTP .44 Magnum in ballistic gel?

Penetration depths varied by barrel length. From the 4.25-inch Colt Anaconda, the rounds penetrated approximately 15 inches. From the 7.5-inch Ruger Super Blackhawk, penetration was around 13.5 inches and 12.75 inches in subsequent shots.

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