What are the key differences between the ballistics of the .38-40 cartridge and the .38 Special, and how do these differences impact their performance in firearms?

The key differences between the ballistics of the .38-40 cartridge and the .38 Special lie in their bullet diameter, weight, and powder charge. The .38-40 cartridge has a larger bullet diameter and heavier weight compared to the .38 Special, which results in higher muzzle energy and velocity. This difference in ballistics impacts their performance in firearms by affecting their accuracy, recoil, and stopping power. The .38-40 cartridge typically delivers more power and penetration compared to the .38 Special, making it more suitable for hunting and long-range shooting.