Remington 308 Heavy Weight Stainless Barrel

[Rob96]

I received a new Remington heavy weight weight 308 barrel for a build. My friend had purchased a Remington X series single shot and took the barrel off to do a custom caliber. I want to use the barrel on a 700 action. Only problem is that Iam not sure on the twist rate. he said he thought it was 1:8 but i can not find Remngton cataloging a 1:8 twist barrel. Besides a couple little markings, the only numericl marking is 7.62 NATO. Any idea on how to find out the twist?

 

[JDGray]

Sounds kinda fast, bet its 10" Give Remington a call

 

[nicholst55]

It's almost certainly a 1:12" twist; that's pretty much standard for factory .308 bolt guns.

 

[Gordon]

If it has 5 grooves it is 11.25 twist and you are fortunate!

 

[Mr_Pale_Horse]

Measure the twist yourself using a tight patch and marked cleaning rod.

 

[Horsemany]

It's a Hart barrel 11.25 twist. Remington only recently started advertising Hart barrels in the 40-X series but it was suspected all along since Hart is famous for 5-R rifling. Great barrel.

 

[Jim Watson]

I didn't know Hart was famous for 5-R rifling, I do not see it on their site.
I thought Remington was in cahoots with Mike Rock for 5R barrels, either made or designed by him.

 

[USSR]

I didn't know Hart was famous for 5-R rifling, I do not see it on their site. I thought Remington was in cahoots with Mike Rock for 5R barrels, either made or designed by him.

Yeah, I don't believe Hart makes 5R barrels. Mike Rock learned how to make them from Boots Obermeyer, and while it is true Mike Rock supplied the original barrels for the M24, Remington has been making their own now for many years.

Don

 

[Jim Watson]

What I thought. I recall some of the original gunzine articles when we first got a look at the AK74 and Boots O. applied the concept to good quality barrels.

I would expect a barrel marked 7.62 to adhere to military specification and have a 12" twist.

An 8" twist is what J.D. Jones uses in the .300 Whisper for 240 grain subsonics.

I think Harry Pope made some 8" twist Krag barrels but he wanted them to be able to shoot mild cast bullet loads as well as the service round.

Easily measured with a tight patch, anyhow.

 

[Rob96]

Measure the twist yourself using a tight patch and marked cleaning rod.

What exactly do I do?

 

[Jim Watson]

Take a swivel handle cleaning rod and start a tight patch into the rifling. Make an index mark on the rod; I use a little flag of masking tape far enough back to not enter the barrel. Make a felt tip pen mark on the rod at the rim of the chamber.
Push the rod through until the flag makes one complete revolution.
Make another pen mark on the rod at the rim of the chamber.
Pull the rod and measure the distance between the pen marks, that is your rifling pitch, the distance it takes the rifling to make one full turn.
It will probably be 12". If it is not exactly that, you can remeasure and average, but bear in mind that button rifling is not 100% accurate in making the rifling to start with.

 

[Horsemany]

Yeah, I don't believe Hart makes 5R barrels. Mike Rock learned how to make them from Boots Obermeyer, and while it is true Mike Rock supplied the original barrels for the M24, Remington has been making their own now for many years.

Don

I was told they were Hart's by a guy I shoot light varmint Benchrest with. Seems like he brings a different 40X every week. He's addicted to them. Some of them are pretty old. He's ordered some custom shop 40x's and refers to the guys at Remmy's custom shop by name. He told me a guy at Remington told him they were Hart barrels years ago. Could be BS for all I know but that's what I was told.

 

[Rob96]

I was told they were Hart's by a guy I shoot light varmint Benchrest with. Seems like he brings a different 40X every week. He's addicted to them. Some of them are pretty old. He's ordered some custom shop 40x's and refers to the guys at Remmy's custom shop by name. He told me a guy at Remington told him they were Hart barrels years ago. Could be BS for all I know but that's what I was told.

I emailed Hart. The ony barrels they made for Remington were for the sniper rifles, according to them.

 

[Horsemany]

Good to know.