This guide details a comprehensive ballistic gel test procedure for Underwood 9mm +P 115 Grain Sporting JHP ammunition, as demonstrated by an expert instructor. It covers test setup, firearm preparation, velocity and penetration measurements, and projectile analysis, providing critical data for self-defense ammunition evaluation. The expert's methodology ensures reliable and comparable results across different firearm platforms.
This video details a ballistics test of Underwood loaded 9mm +P+ ammunition featuring 115-grain Nosler jacketed hollow points. The test compares performance from a 3-inch Taurus GX4 and a 4.5-inch P80 (Glock 17 equivalent) through a clothing barrier and into ballistic gel. The ammunition demonstrated significant velocity and expansion, with the longer barrel yielding higher speeds and slightly deeper penetration.
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