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Whats The original part of the bore left after rifling grooves are formed?
Lands
What is the original part of the bore left after rifling?
When rifled, the rifling tool cuts the GROOVES. Material left between the grooves is the LANDS.
What is the difference between a musket and a rifle?
A musket is smooth bored, like a shotgun's bore. A rifle has rifling inside the bore (grooves).
What is micro groove rifling?
Micro groove rifling is a type of barrel rifling characterized by very shallow grooves cut into the bore of a firearm's barrel. Unlike traditional rifling, which features deeper grooves, micro groove rifling typically has more grooves that are narrower and shallower, allowing for a smoother bore. This design can enhance bullet stability and improve accuracy, particularly with certain types of ammunition. It is often used in rifles and handguns to optimize performance while reducing the potential for fouling and wear.
What purpose is served by the grooves cut in the bore of a barrel?
It's called rifling, and the purpose is to give the projectile a spin in order to stabilize it in flight.
What are rifled cannon bores?
Cannon with a rifled bore. Rifling is the spiral grooves on the inside of the barrel to cause the projectile to spin. This improved stability in flight and help accuracy
What are smooth bores?
Smooth bores are bores or barrels in guns that do not contain rifling. Rifling is made up of lands and grooves that cause the bullet to turn within the barrel of the gun. This turning gives the bullet and gun its accuracy. A smooth bore gun is much less accurate than a rifled bore gun.
What is a polygonal pistol barrel?
Well, a polygonal pistol barrel is a type of barrel that has a polygonal rifling instead of traditional grooves. This rifling design helps improve accuracy and velocity of the bullet as it travels through the barrel. Just like painting, different techniques can create beautiful results - each barrel design has its own unique benefits.
Why is rifling present in the bore of the barrel?
The rifling is there to spin the bullet, which gives greater accuracy.
What is Rifling in the bore of small arms is designed for?
Rifling in the bore of small arms is designed to impart spin to the projectile as it travels down the barrel. This spin stabilizes the bullet in flight, improving accuracy and range by reducing the effects of aerodynamic drag and wind. The helical grooves, typically cut into the barrel's interior, help ensure a more stable trajectory, allowing for greater precision in shooting. Overall, rifling enhances the effectiveness of firearms in hitting targets accurately at various distances.
What is ERFB ammunition?
ERFB stands for Extended Range Full Bore. Invented by Canadian scientist F.V. Bull, ERFB replaces protruding rifling grooves with recessed ones, thus producing lower friction and longer range.
Why smooth bore gun?
some firearms, like shotguns, have smooth bores. Due to the wide variety of different projectiles a shotgun is expected to shoot (from a fine dust-like shot, to a single, solid chuck of lead called a slug), the best type of bore, in this case would be a smooth bore. With a rifled barrel, you want to shoot ONLY a projectile of a specific diameter. This way, the rifling grooves can grab the projectile and impart a spin to it. With a shotgun, the presence of rifling would only confound things, and likely the rifling would get worn out / damaged by the wide variety of projectiles sent through it.
