10MM vs .40 S&W! Hornady Critical Duty Ballistic Gel Test Using The Glock 20 & Glock 22!
This expert-level ballistic gel test compares Hornady Critical Duty 10mm Auto and .40 S&W, both 175-grain FlexLock projectiles, fired from Glock 20 and Glock 22 pistols respectively. The test meticulously measures velocity, penetration, expansion, and weight retention, providing valuable data for self-defense ammunition selection. The analysis highlights the performance differences and discusses the common issue of 'watered-down' commercial 10mm ammunition.









