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Couple of different answers to your question. With a FIRED bullet, grooves that spiral around the bullet are ballistic markings- lines engraved by the rifling in the barrel. In the case of grooves that run around the bullet, and filled with a waxy substance, those are grease grooves that hold lubricant. A single groove with no filler is a cannelure- spot for the cartridge case to be crimped into to hold a bullet snugly before firing.
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What causes a bullet to spin?
There are spiral grooves engraved on the inside of a rilfe or pistol barrel. When a bullet is fired, it is forced into those grooves, which impart a spin to the bullet. The grooves are called rifling.
Why does a bullet seem to rise from a rifle?
the bullet rises because of the rifling in the grooves of the barrel
What does rifling do to the bullet?
Rifling will leave grooves--impression in a bullet. These grooves can indicate the manufacturer of the gun that fired that bullet, AND, if there is a suspected gun in particular, microscopic variations can be used to confirm or refute that gun's involvement to a high degree of certainty.
What causes a bullet to spin from a rifle or handgun?
The grooves in the barrel.
Can a 22 caliber Arminius chrome revolver eight shot shoot a bullet with 6 lands and grooves?
Barrels have lands and grooves, not ammunition.
What causes the spinning of a bullet from a rifle or handgun?
Grooves in the barrel. That is called rifling.
What causes the bullet to spin froma rifle or handgun?
The grooves (rifling) cut into the barrel.
Where can you locate stripping marks on fired bullet?
The stripes of the lands and grooves will be on the sides of the bullet. If the bullet is "stripping" through the rifling of the gun, the striations (proper name for the rifling marks) will be smeared.
What are spiral grooves in a barrel called?
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.
What are spiral grooves in a gun barrel called?
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.
Gun barrel rifling?
RIFLED firearms are those that have a method of making the bullet spin when fired. This makes for a much more accurate projectile. The oldest and most common means of doing this is buty cutting spiral grooves on the inside of the barrel. These grooves grip the bullet, causing it to spin as it passes up the barrel. The grooves are known as rifling.
How are bullet casings and bullets used to compare and identify guns used in crimes?
The barrel of a gun has lans and grooves that cause the bullet to spin. These grooves leave distinct markings on the bullet that are like a fingerprint. No two guns leave the same markings on a bullet. The bullet casings are marked by both the firing pin hitting the primer or case rim, and the extractor that grabs the case and ejects it from the weapon. These are also distinct, gun specific, markings.
