Normally there are no guns as you probably know, but assuming that you are using SDK's Gun Mod, just right click with the correct type of ammunition in your inventory.
Your question is a oxymoron. Pneumatic BB guns are single shot. Machine guns are Multi shot. There are several C02 driven BB machine guns
Rifles, hand guns, shot guns, sub machine guns.
They are not- but they have a higher chance of hitting their target.
The most common deaths in the trench warfare were shot by machine guns, afterwards to solve the problems of the machine guns tanks were introduced
In many ways, not that much different. However, I have shot machine guns from both eras and the weight difference is significant! The plastics and metal alloys have improved the maneuverability a lot.
They shot people in the crotch this time.
There is no time machine in minecraft. The "Time Machine" is a nickname for the Minecraft Launcher, the startup of the game. You can access old versions of Minecraft.
No. Machine guns will beat Gatling guns.
Machine guns.
They don't. They are shot by PEOPLE that are using guns.
Yes, machine guns are better than Gatling guns because they fire more bullets faster than Gatling guns. Gatling guns need to have bullets and have to be hand cranked at the same time but machine guns does not need to be hand cranked. Machine guns only need bullets.
Yes, machine guns were used in WW2.