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Is serial number 4799888 a Smith Corona with double rifling a sniper rifle?
No
Why don't all types of guns have rifling?
Some fire shot- a number of lead pellets. Rifling causes the pattern of shot to open, leaving a hole in the middle of the pattern.
Does a Marlin 1895g 45-70 with the ported barrel serial number 01022916 have ballard or micro groove rifling and what is the year of manufacture?
It is Ballard style rifling, and should date to 1999. The year of manufacture is 2001. 1st 2 digits of serial # correspond to the year it was made. Ballard rifling is correct.
Why is rifling present in the bore of the barrel?
The rifling is there to spin the bullet, which gives greater accuracy.
How many rotations does a bullet make before leaving the muzzle of an m-16?
Well, there are different length barrels for different M16 versions. Often, the rifling is a 1:7 on an M16, which means it makes one rotation every 7 inches. If your barrel has 21 inches of rifling, then it will make 3 complete turns as it leaves the barrel. You need to count the number of inches rifling you have, then divide by 7. If the rifling isn't 1:7, then you need to find out what it is for a particular rifle.
What are the differences between a 5r and 6 groove barrel rifling, and how do they impact the performance of the firearm?
A 5-groove barrel rifling has five lands and grooves, while a 6-groove barrel rifling has six lands and grooves. The number of grooves can affect the stability and accuracy of the bullet as it travels down the barrel. Generally, a 6-groove rifling may provide better grip on the bullet, leading to improved accuracy, while a 5-groove rifling may offer easier cleaning and maintenance. Ultimately, the impact on performance can vary depending on the specific firearm and ammunition used.
Why is polygonal rifling faster than conventional rifling?
There is a lot less resistance with the polygonal rifling. More over, if the polygonal rifling is chrome lined, the walls of the barrel are completely slick and offer less resistance. The projectile, the bullet, goes way faster. IDPA estimation here in the US are 10-30% faster.
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 rifling of the firearm. give purpose in a firearm?
The rifling in a firearm is designed to cause the project (bullet) to spin, increase stability and accuracy.
When was rifling invented?
Rifling was invented in the late 15th century. It was improved by August Kotter of Nuremberg in 1520 and by others later. There is a link below.
What direction does a bullet spin?
Direction of spin is dependent on the direction of the rifling on the inside bore of the barrel. A bullet will spin the same direction as the rifling.
Why Glock pistols do not accept cast bullets?
The barrels of Glock pistols use a different style of rifling, known as polygonal rifling. When shooting cast bullets, this rifling will get smeared with lead (known as "leading up"), and the pistol becomes unsafe to shoot.
