If you're interested in learning more about metal jacket bullets or would like to explore specific topics in more detail, feel free to ask!
Disclaimer: This article is for informational and historical purposes regarding ballistics technology. Always verify local laws regarding ammunition types, as restrictions on FMJ or armor-piercing variants vary by jurisdiction. metal jacket bullet
A —most commonly referred to as a Full Metal Jacket (FMJ) or "ball" ammunition—is a projectile consisting of a soft core, typically made of lead, completely encased in an outer shell or "jacket" of harder metal. First engineered in the late 19th century to prevent soft lead from deforming at high velocities, the metal jacket bullet has become the global standard for military operations, high-volume target practice, and firearm training . If you're interested in learning more about metal
Metal jacket bullets are widely used in various applications, including: A —most commonly referred to as a Full
Because it does not expand, it transfers less kinetic energy to the target. This is why police forces use expanding ammunition, while militaries (bound by Hague) use FMJ.
Metal jacket bullets also have some disadvantages, including: