40s&w vs 357sig! - Glock 23
This guide details the process of swapping barrels on a Glock 23 to convert it from .40 S&W to .357 Sig, followed by a comprehensive ballistic gel test. The video, presented by an experienced hobbyist, compares the terminal ballistics of Speer Gold Dot .40 S&W and .357 Sig ammunition, including performance through a car door barrier. It highlights differences in bullet expansion, penetration, and fragmentation.











