Underwood Does It GOOD!...45 ACP +P Self-Defense AMMO Ballistic Gel Test & Review!

Published on August 31, 2025
Duration: 12:04

This video provides a detailed ballistic gel test and review of Underwood Ammunition's 45 ACP +P 185-grain self-defense rounds. The instructor, with apparent expertise in firearms testing, presents chronograph data from both a 5-inch 1911 and a 3.8-inch Glock 30, alongside penetration and expansion results from ballistic gel tests. The review highlights the ammunition's performance, comparing it to other high-performance loads and offering insights into its suitability for self-defense.

Quick Summary

Underwood 45 ACP +P 185gr ammunition delivers impressive performance, averaging 1208 FPS and 598 ft-lbs from a 5-inch 1911, and 1129 FPS with 470 ft-lbs from a 3.8-inch Glock 30. Ballistic gel tests showed 19-22 inches of penetration with significant expansion.

Frequently Asked Questions

What are the ballistic performance characteristics of Underwood 45 ACP +P 185gr ammunition?

From a 5-inch 1911, this ammo averaged 1208 FPS and 598 ft-lbs of energy. From a 3.8-inch Glock 30, it averaged 1129 FPS and 470 ft-lbs. In gel, it achieved 19-22 inches of penetration with significant expansion.

How does Underwood 45 ACP +P 185gr ammunition perform in ballistic gel tests?

The ammunition demonstrated excellent performance, with rounds fired from a 5-inch 1911 penetrating 19 inches and showing substantial expansion and fragmentation. Rounds from a 3.8-inch Glock 30 penetrated 22 inches with good expansion.

What is the recommended grain weight for 45 ACP self-defense ammunition?

The instructor suggests that 185-grain +P ammunition is optimal for 45 ACP self-defense, offering a superior balance of velocity, energy, and manageable recoil compared to heavier or standard pressure loads.

What is the difference in performance between 45 ACP +P 185gr fired from a 1911 versus a Glock 30?

The 5-inch 1911 yielded higher velocity (1208 FPS vs 1129 FPS) and energy (598 ft-lbs vs 470 ft-lbs), along with more pronounced expansion and fragmentation. The Glock 30 achieved greater penetration (22 inches vs 19 inches) with good expansion.

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