The largest machine gun caliber in common use is the 20mm caliber, specifically seen in heavy machine guns like the M61 Vulcan and the Oerlikon 20mm cannon. These weapons are typically used on aircraft, naval ships, and in some ground-based applications due to their high firepower and effectiveness against armored targets. While there are larger calibers used in anti-aircraft and vehicle-mounted systems, they are not categorized as traditional machine guns.
a .45 caliber.
@890 mps
for a rifle it is thought to be a .50 calibre but a gun company made there own for there own sniper rifle the .408 calibre
A 50 calibre machine gun can have any length or width. The inside of the barrel is 1/2 inch. Gradually calibre as a gun size is being dropped in favor of metric. For example 9 mm is replacing 38 calibre. A 38 calibre pistol will shoot a 9 mm bullet. Mortars are now 61 mm instead of a calibre.
A big gun is a large artillery gun or one of the largest-calibre naval guns, or a person, group or thing which is powerful, influential, or effective.
A belt fed machine gun- no limit. The American 180 was a .22 LR machine gun with a 177 round magazine.
Sons of Guns - 2011 World's Largest Machine Gun 3-6 was released on:USA: 4 April 2012Sons of Guns - 2011 World's Largest Machine Gun - 3.6 was released on:USA: 4 April 2012
The lightest machine gun of the 12.7x99mm or .50 BMG calibre is the XM312 Machine Gun. It is a still a tripod mounted weapon, weighing a good 19 kilos while mounted on a tripod. This is an extremely low weight in comparison to the 58 kilogram predecessor of the XM312, the M2HB/M3 tripod. LW50MG, as it will be known in the US Army, is based on the XM307 25mm Grenade Machine Gun, giving it roughly half the rate of fire of a standard M2HB.
For a rifle it would be the 2 Bore.
His .50 calibre revolver was based on a Crosman 3357 .50 calibre paintball revolver.
light machine gun is the m249 a medium machine gun is the m240 and the heavy machine gun is the browning m2 50. cal machine gun
Automatic is firing one shot after another, like a machine gun. They range from Pistols to Miniguns and fire .22 calibre rounds up to 50 cal., some even larger.