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Answered 2011-09-13 18:10:05

Not sure when they went from micro-groove to Ballard type but they went to micro-groove rifling around 1954,a 1 in 38 twist is standard for most .44 Magnum &.444 but with some ammo makers making factory loads that use bullets that weigh more then 240grns. in weight buy a Ruger Deerfield simi-auto .44 magnum or their lever action .44 magnums because they have a rifling twist of 1 in 18 that will stabilize the heavier bullets and don't use the micro-groove rifling,also leading can be a problem in micro-groove barrels if your using soft lead and load them to more then 1200 feet per second so for that reason your better off to stick with jacketed bullets of not more then 240 grains when loading ammo for rifles with micro-groove barrels with the 1-38 twist if your going to be using heavy loads.Hope this info can be of some help to somebody, I have also noticed that the Ruger Deerfield rifle with the faster rifling twist gives a better bullet mushroom as opposed to the old 1-38 twist.If you'd like to learn a little more about this fascinating topic,type rifling characteristics into a search with Google and you will find a lot of interesting information on different types of rifling used by different manufacturers.

New .444's now have a 1 in 20 twist. I hope they do the same in the .44 Mag soon. The 1 in 20 will stabilize 300 grain bullets while the 1 in 38 will not.

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What year did marlin introduce microgroove rifling?

1953 Check the article at wikipedia for more.

What year did Marlin switch from micro groove to Ballard rifling?

Marlin switched from Ballard rifling to the newer micro-groove on their 81 DL model in 1954.

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.

Does the 1971 model Glenfield 25 have Microgroove rifling?

most likely it is. marlin (glenfield is marlin) began using micro-grove technology in 1953.

What is the difference between micro groove rifling in old firearms and Ballard type in new guns?

the micro groove is button cut and ballard is the lands and grooves are not equally spaced

How do you use rifling in a sentence?

He was rifling through his folders to find an important paper.

Why is rifling present in the bore of the barrel?

The rifling is there to spin the bullet, which gives greater accuracy.

What is the rifling of the firearm?

rifling is the spiral that is engraved into the barrel to put spin on the bullet which improves distance and accuracy.

Why does a shotgun spread?

No rifling.

What is a rifling number?

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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.

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 is rifling?

Rifling is the spiral groove pattern in a rifle or handgun barrel the purpose of which is to impart spin to the bullet in order to achieve stability in flight.

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.

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.

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.

Where do you find rifling on a gun?

Inside the barrel.

When did rifling barrels begin?

In the mid 1400s

Did flintlock pistols from the early to mid 1700s ever have rifling?

Generally a smoothbore weapon, some rifledbore flintlock pistols were produced. The smoothbore were easier to make and mass produce at a faster rate.

What is a rifled slug barrel?

A shotgun barrel with rifling.

What disivantiges did early guns have?

Moisture, range, no rifling.

How do they do the rifling in firearms?

Can be hammer forged, cut or drawn.

Who invented the rifling?

Fifteenth century by Jaspard Zoller.

What is different terms for rifling of a gun?

Lands and grooves.

What is broaching a firearm?

A process of putting rifling in a barrel.

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