Grooves cut into the inside of a gun barrel for the purpose of spinning the bullet when fired.
It causes the bullet to spin which makes it go straighter.
Oxidation of the steel of a gun barrel.
Rifling a gun barrel causes the bullet to spin when it comes out. This makes the bullet fly more straight and greatly improves accuracy. Much like a spinning football spirals.
Only one barrel fires at a time, giving each barrel the chance to cool slightly between shots. It also fires MUCH more rapidly than a standard machine gun.
Flower in the Gun Barrel was created in 2008.
The gun barrel is the metal part that the bullet comes out of.
A barrel is part of a gun
Barrel of a Gun - Guster song - was created in 1998.
You will have to replace the barrel
The barrel is usually above the centerline of the gun. When fired, recoil pushes straight back from the line of the barrel, but that is offset above the centerline, and causes the gun to pivot.
Sorry, but we need more information on the term "round barrel gun".