Chairman Mao of China I believe
The gun barrel is the metal part that the bullet comes out of.
the barrel is the long part that the bulliet comes out
As Chairman Mao used to say (in his little red book)...Power comes from the barrel of a gun!
If a round is not fired and then ejected, nothing comes out of the barrel.
It's at the end of the barrel where the bullet comes out. It's at the opposite end of the butt of the gun.
Find a qualified air gun gun smith.
Oxidation of the steel of a gun barrel.
Ho Chi Minh followed Mao's "Little Red Book" (Power comes from the barrel of a gun).
It's the pipe-looking thingy pointing forward that the bullet comes out through.
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.
Go to the Chinese BC (That is at the bottom of the time traveller) just walk right and you will see a barrel. The barrel is the gun power.