Actually, pretty large. The standard machine guns were 8mm Mauser, .303 Enfield, and 30-06. Larger machine guns such as the .50 Browning were also used. To give you an idea of size, a section of a regular pencil about 1 inch long is the size of the small machine gun bullet.
Yes, they did have machine guns in WW2
Yes. There were machine guns in WW1. There were Gatlin Guns, a type of machine gun, in the Civil War.Yes
the machine guns
Small arms, machine guns, mortars, artillery, mines.
Machine guns have a higer rate of fire and so they shoot bulets faster
Machine guns were in use BEFORE WW 1. They were around for the entire war.
No
Most of the parties involved already had machine guns in their inventory prior to the outbreak of the First World War.
In World War 2 there were three types of machine guns used: squad support weapon, medium machine gun, and Heavy Machine gun such as the Browning M2, and the M1919
yes
No. Machine guns will beat Gatling guns.
Machine guns.