And oh, by the way, this .50 caliber “Deagle” functioned with 100% reliability, which is much better than can be said for the .44 Magnum jam-amatic specimen I rented at Los Angeles Gun Club ...

The US Navy sailor quickly called in the threat and got the go-ahead to open fire on it with his deck-mounted M2 Browning .50 caliber machine gun. A hundred rounds went out in a flash.

Ukraine's FRDM group, for instance, is a drone and ground robot manufacture that makes its D-21-12 remotely controlled ground battle vehicle with the .50 caliber gun attached.

TAMPA, Fla. — U.S. special operations officials are set to select a new machine gun in the coming months to give shooters .50-caliber-like performance in a lightweight machine gun package ...

John Browning conceived of the .50 caliber M2 Browning machine gun in 1918 toward the end of World War I, though it didn't enter service with the US military until closer to World War II.