40 vs 9mm Energy: A Deep Dive into Ballistics and Stopping Power
Understanding the Foundation: Energy in the Equation Before diving into the specifics of the .40 and 9mm, it’s essential to grasp the concept of energy within the context of firearms. When a firearm is discharged, the burning propellant creates a massive expansion of gases. This pressure pushes the bullet down the barrel, imparting a force … Read more