The M2 machine gun or Browning .50 caliber machine gun (informally, " Ma Deuce ") [13][14] is a heavy machine gun that was designed near the end of World War I by John Browning.

The .50 BMG (.50 Browning Machine Gun), also known as 12.7×99mm NATO, and designated as the 50 Browning by the C.I.P., [1] is a .50 in (12.7 mm) caliber cartridge developed for the M2 Browning heavy machine gun in the late 1910s, entering official service in 1921. Under STANAG 4383, it is a standard service cartridge for NATO forces.

A .50 caliber handgun is a handgun firing a bullet measuring approximately 0.5 inches (12.7 mm) in diameter intended with the task of penetration. Historically, many black powder pistols fired bullets with diameters well above a half inch.

Built since the 1930s, the 0.50" (12.7 mm) caliber Browning Machine Gun (BMG) M2 (Ma Deuce) is still one of the world's most widely used heavy machine guns. Employed today on many USN ships for action against hostile small surface craft and commando-type attacks which might occur in restricted waters.

Feb 18, 2024 · The term .50 caliber refers to the measurement of the diameter of a bullet or the bore of a firearm. In the case of firearms, a .50 caliber firearm has a bore diameter of 0.50 inches, or 12.7mm. This means that the bullet fired from a .50 caliber weapon is half an inch in diameter.

The Sniper Elite® 0.50 caliber (12.7mm) Ball and AP (Armor-Piercing) family of ammunition increased accuracy over traditional Ball and AP cartridges. This family of ammunition is compatible with all common sniper rifles and produces a …

The GAU-21 .50 caliber weapon system includes: a pintle mounted .50 caliber machine gun with an open bolt design, the capability to use 100, 300 or 600 round ammunition cans, the capability to fire all standard NATO .50 caliber ammunition, the ability to maintain or increase the available fields of fire for each airframe, and the capability for ...

The 0.50 caliber (12.7 mm) RRA Ball and Tracer ammunition provide the same ballistic characteristics of full range operational ammunition up to 800m. The tracer version is a ballistic match to the ball round.

The Browning M3 aircraft gun is a .50 caliber M2 machine gun modified for use as an aircraft gun that can be fired remotely by the pilot or gunner of a helicopter or light fixed-wing aircraft. The M3 machine gun has a rate of fire of 1150-1250 rounds per minute.