If we are talking about lever action rifles?Then the tube under the barrel is the magazine tube.
The metal part of a pencil is called a ferrule.
When the triger is pulled, a pin in the barrel behind the cartridge is forced into the end of the cartridge igniting the powder charge. The ignition releases gasses under very high pressure which pushes the bullet out of the cartridge, down the barrel and to the target.
A petroleum barrel is not a physical barrel but a unit of measurement. It is defined as 42 US gallons. There are 3.785 liters to the gallon. So 3.785 x 42 = 158.97 liters in one barrel of oil.
Mostly, because of the heat of the gasses which fire it. I think air friction and barrel friction play a small part.
how big is the barrel..... Standard barrel is 55 gallons. If you are asking how many gallons from a barrel of crude-restate.
the barrel is the long part that the bulliet comes out
It is called a tubular magazine. the action
Wooden staves - Iron hoops
it is that part under the barrel that you hold it by. when you hold a shotgun one hand will be on the forward part of the stock directly behind the trigger and the other will be on the forearm or fore end as it is sometimes called.
The thick part is typically referred to as the barrel of the bat.
A barrel is part of a gun
the barrel does not spin in a S&W, or any other brand of modern revolver. The part that rotates is called a cylinder, and it is turned by a piece that is called a "hand ", or a "pawl".
it is the bottom part of the back near the bum
The spiral grooves in a guns barrel are known as rifling. Its what puts a spin on the bullet as it leaves the barrel for accuracy. The grooves are called..... well, grooves. The ungrooved part between grooves is called a land. So looking through the barrel of a rifled firearm, you will see the "lands and grooves" that make up the rifling.
The forearm is the front part of the stock, under the barrel, that your NON-trigger hand holds.
The gun barrel is the metal part that the bullet comes out of.
The spiral grooves in a guns barrel are known as rifling. Its what puts a spin on the bullet as it leaves the barrel for accuracy. The grooves are called..... well, grooves. The ungrooved part between grooves is called a land. So looking through the barrel of a rifled firearm, you will see the "lands and grooves" that make up the rifling.