Look through the barrel and when you see helical (spiral like) grooves, then you have a rifling barrel. These grooves make the bullet spin, which stabilizes it (gyroscopically) during flight.
The rifling is there to spin the bullet, which gives greater accuracy.
Inside the barrel.
It is the rifling in a mossberg rifle barrel.
science, Bullet markings and check them with the rifling of the firearm. Barrel twist and or markings can help ID the gun fired from. Nothing can tell you for sure, It can just tell you it was fired from a barrel like that of a type or make.
The lands and grooves in the barrel that impart spin to the projectile
Rifling. The barrel is not smooth on the inside. There are small grooves spiraling down the barrel which makes the bullet spin. Nearly all shotguns do not have rifling in the barrel.
A process of putting rifling in a barrel.
There are several processes for rifling. Typically, a machine tool is inserted down the barrel and pulled out, while several gouges cut shallow grooves in the barrel.
Rifling. The barrel is not smooth on the inside. There are small grooves spiraling down the barrel which makes the bullet spin. Nearly all shotguns do not have rifling in the barrel.
because the rifling in the barrel makes it go straight.
Rifling in the barrel is actually grooves cut into the barrel by the manufacturer to cause the bullet to spin as it leaves the barrel. Before rifling the bullets would tend to tumble when they left the barrel causing them to have shorter range and be less accurate.
Essentially the same