The Bastard Child Of 9mm And .357 Mag: HSM 125 gr UHP Gel Test
This video provides a terminal performance test of HSM's 125gr Uni-Cor .357 Magnum ammunition fired from a Smith & Wesson Model 13L 4" revolver. Using a high-speed camera, the test evaluates penetration, retained weight, and expansion in both bare gel and heavy clothing simulations. The video details the ballistic data, including average velocity and standard deviation, offering an educational resource for understanding ammunition performance.









