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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.
What year did marlin go to micro groove rifling in the 39A?
Micro groove rifling began on the model 39A ,with the 3rd model,3rd variation which was in the year 1954.
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
Marlin model 60 micro groove barrell need info about it?
This is a 16-groove rifled barrel, in Marlin's trademarked Micro-Groove rifling. This rifling, with its precision-crowned muzzle, gave the Model 60 an enhanced accuracy over competing rifles using traditional deep grooved rifling, as the bullet was not as severely deformed while traveling down the barrel as with competing 22 LR rifles. The twist rate is 1:16 inches, right-hand. Micro-Groove rifling uses many small lands and grooves rather than 2, 4, or 6 deeper grooves used in the majority of rifles. This arguably adds to the accuracy of the rifle through lessening the deforming of fired bullets traveling down the barrel and indeed the Model 60's reputation for accuracy would seem to bear this out. Although the Model 60 is one of the least expensive 22 semi-automatic rifles sold, it is one of the most accurate examples of a .22 caliber semi-automatic rifle ever produced, due to the 16 groove Micro-Groove rifling. Hope that this helps- Shooty
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.
What year did Marlin transition from Microgroove rifling to Ballard style in the 444 SS and did Marlin produce the 444 SS with Ballard rifling in a 1 in 38 twist or just 1 in 20?
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 300grn.plus 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.
Does glenfield rifles made by marlin have the same micro groove barrel as the marlin?
My Glenfield Model 25 has a micro-groove barrel,so I imagine others do as well.
What is the value of a Marlin micro groove barrel?
50-200
What is the value of a Marlin Micro Groove Barrel MCD 336 Cal 30-30 WIN?
What is the value of a Marlin Micro Groove Barrel MCD 336 Cal 30-30 WIN?"
What year did marlin start using micro groove in the 336?
@ 1955
Can the barrel of an micro groove barrel be tightened?
Unsure of what you are asking exactly. Micro-groove is a term used by Marlin to denote a type of rifling in its barrels. If you are asking if such a barrel can be tightened to the receiver (frame) of the rifle, the answer is maybe. Some are threaded, some are held by a cross pin, and some are a press fit (under great pressure). With any of the methods, you may change the headspace of the cartridge by changing barrel-to-receiver, and that CAN be a very dangerous condition. IF your barrel is loose, this should go to a gunsmith. Soon.
Does marlin 25mn 22 magnum have a micro groove barrel?
It should be marked on the barrel if it has the Marlin micro groove rifling.The model 25m was made from 1989-2003.That being said it will if it was a early made rifle.
