Spoiler alert: the Gold Dot and HST perform extremely well, which won’t be a surprise to anyone familiar with those rounds. The JHP rounds tested are Hornady Critical Defense, Speer Gold Dot, Federal HST, and Norma’s Monolithic Hollow Point (MHP). In the test, he uses 9mm ball ammo that’s currently issued to the military in addition to several popular modern hollow point rounds. Garand Thumb’s 9mm terminal ballistics test is entertaining, but it’s also informative.
#Hornady critical defense 9mm ballistic test full#
Of course, a jacketed hollow point that doesn’t strike any vital structures won’t be as effective as a full metal jacket that pierces the heart. The expansion means it will crush more tissue and in theory cause incapacitation faster than a smaller diameter, non-expanding round. In theory, a properly made jacketed hollow point like a Speer Gold Dot or Federal HST will expand when it impacts tissue. This also helps us understand the role of expanding projectiles in 9mm terminal ballistics. Once we know that handgun bullets only cause damage by physically crushing tissue, it makes understanding their effects on the human body easier. That’s why shot placement is king with handguns. In simple terms, to destroy tissue, a handgun bullet must touch that tissue.
To properly understand 9mm terminal ballistics, it’s important to first understand handgun wounding mechanics. Due to their relatively low velocity, handgun projectiles can only wound by impacting tissue.
9mm terminal ballistics will always be a hotly debated topic online. Youtuber Garand Thumb put several popular rounds to the test against a ballistics gel torso, with some interesting results.
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