Daily Archives: Mar 14, 2026

The FBI’s 12–18 inch standard gets quoted so often that it can sound like a simple pass-fail rule. In practice, it is better understood as a design window for handgun bullets: deep enough to reach vital structures from difficult angles, but not so deep that penetration keeps going with...

The 9mm did not become America’s default handgun cartridge because it dominated every era from the start. It became dominant because firearm design, ammunition engineering, training doctrine, and institutional testing gradually lined up in its favor. That path was long. The cartridge began as a European service round, spent decades...

The modern 9mm pistol did not arrive through a single breakthrough. Its current form was assembled piece by piece, with each design choice solving a practical problem in weight, capacity, durability, handling, or manufacturing. Some of those changes were obvious at launch. Others became important only after years of hard...