With its origins in the Great War, the .50-cal. Browning machine gun—on land, on the sea and in the air—was a decisive arm for America’s victory over Nazi Germany and Imperial Japan. And ...

The bullet-shaped fuselage was optimized for speed—it was modeled on a 0.50 caliber bullet, which traveled supersonically and was known to be stable at Mach 1 speeds and higher.

The bullet-shaped fuselage was optimized for speed—it was modeled on a 0.50 caliber bullet, which traveled supersonically and was known to be stable at Mach 1 speeds and higher.

The .50 caliber M20 API-T has a red bullet tip with an aluminum color annulus. The bullet has a hardened steel core that produces a great deal of damage upon impact. The .50 caliber M20 is used in ...

In fact, in a U.S. Army Readiness Development and Engineering Command document, the new bullet designs perform as well as or better than existing .50 caliber bullets in penetrating 3/8" steel armor.

Since machine guns using .50 cal bullets aren’t usually fired at targets more than a mile away, they’d need to do something different to limit the range for urban firefights.

As Rachel was saying on the show yesterday (video), the .50 caliber bullet is a different kind of deal. The inventor of the round and weapons to fire it Aug. 14, 2013, 6:00 PM EDT ...