This guide details a ballistic gel testing procedure for budget 9mm defensive ammunition, specifically Winchester 147 Grain Hollow Points. It covers setup, firearm selection (Sig Sauer P365 and Polymer80 P80), velocity measurement via chronograph, and analysis of wound channels, penetration, and projectile expansion in ballistic gel. The expert-level instruction emphasizes practical application and data-driven evaluation of ammunition performance for concealed carry and self-defense scenarios.
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