The Browning M2 .50 Caliber Machine Gun, Heavy barrel is an automatic, recoil operated, air-cooled machine gun with adjustable headspace and is crew transportable with limited amounts of ...

light machine gun with fixed headspace and quick change barrel feature. The M249 engages point targets out to 800 meters, firing the improved NATO standard 5.56mm cartridge. The SAW forms the ...

[Jason] is using eight coils along the length of his barrel, each one controlled by ... You can see the video of this futuristic Gauss machine gun below.

The firing time of this electronic trigger is only 17.5 microseconds. According to its testing data, this machine gun is capable of firing 4,50,000 rounds per minute per barrel.