9mm vs 40 S&W pt 2: 124gr hst v 165gr gold dot
This video compares the terminal ballistics of 9mm Luger 124gr +P HST and 40 S&W 165gr Gold Dot ammunition. The instructor uses a Smith & Wesson 3913 and a Glock 29, shooting through four layers of denim into a ballistic gel block. The HST 9mm consistently showed better expansion and comparable or superior penetration to the Gold Dot 40 S&W in this test.











