Fire crackling in a match barrel at 700 rounds

[Canuckienns]

is it possible to have fire crackling in a BR barrel at only 700 rounds. 6NBR 105 Bergers HI Varget ??
What say ye??

 

[ebb]

Yes I think it is possible. But in a real world it doesn't matter what I think or you for that matter. I matters what the bore scope shows. I looked for the chart that shows how much heat a specific powder burns at and could not find it. A hot powder plus strings of rapid fire with no time to cool between strings, could cause premature fire cracking. But speculation proves nothing, don't guess, scope it and know. Then don't panic some shoot for a quite a while after some cracks show up.

 

[Mark Buettgen]

Hey Joe,
3 of us saw the picture and you might be better off selling the bore scope and picking up some cleaning rods, patches, and brushes--all that is hard Carbon deposits. That barrel needs a really good cleaning.
Like I said in my email, happy to discuss it with you, just give me a call at the shop
Later, Mark
Bartlein Barrels Inc.
262-677-1717 ext 4

 

[Canuckienns]

Mark, this is a shooting buddy of mine. This IBS and Freedom guys are pretty serious about cleaning, and so am I. There is no mention of what make the barrel is. I was just trying to get opinions.

 

[Straightshooter1]

is it possible to have fire crackling in a BR barrel at only 700 rounds. 6NBR 105 Bergers HI Varget ??
What say ye??

Absolutely possible.

Especially given that Varget s burn temperature is among the highest of all the powders.

 

[JEFFPPC]

Lots of firecracking.....is carbon.A smart man would take up the given offer.

 

[Evan]

It is possible to completely burn out a BR barrel in 900. I ran 153.5gn Bergers out of a 6.5x47 at 2850fps and by ~900 rounds the groups opened up and barrel stopped responding to tuning. It seems like 6.5x284 speed leads to 6.5x284 barrel life, regardless of if you do it with less powder. How hot is that load your buddy is shooting? Is it chasing a BRA/ Dasher trying to hit the low 2900fps node?

 

[DShortt]

I am not basing any of this on any technical analysis of data. Just my personal experience and observations.
I do not like Varget because it creates high barrel temperatures rapidly. As a consequence, I have noted it often creates hard carbon deposits that are often mentioned in cleaning threads and negatively impacts barrel life due to throat erosion caused by the elevated temperatures.
Shooters like Varget because they call it temperature stable. I'd say it's more like it gets the barrel hot in a hurry and keeps it hot.

Just my personal opinion and worth exactly what you paid for it.

 

[ballisticdaddy]

I learned many years and barrels ago, the faster node is generally not more accurate than the slower node. I prefer to utilize N-140 as a substitute for Varget as it seems to build less pressure and saves about $100 a jug!

 

[AlNyhus]

Hey Joe,
3 of us saw the picture and you might be better off selling the bore scope and picking up some cleaning rods, patches, and brushes--all that is hard Carbon deposits. That barrel needs a really good cleaning.
Like I said in my email, happy to discuss it with you, just give me a call at the shop
Later, Mark
Bartlein Barrels Inc.
262-677-1717 ext 4

This ^^^^^++++++ -Al

 

[DShortt]

Hey Joe,
3 of us saw the picture and you might be better off selling the bore scope and picking up some cleaning rods, patches, and brushes--all that is hard Carbon deposits. That barrel needs a really good cleaning.
Like I said in my email, happy to discuss it with you, just give me a call at the shop
Later, Mark
Bartlein Barrels Inc.
262-677-1717 ext 4

So I'm likely to draw the ire of you and many other forum members here, but I'm gonna say it anyway.

There are a plethora of cleaning products and processes out there. Some work well. Some don't.

Reading the color of your patches tells you one thing and one thing only. Whatever solvent/process you are using is not removing anything from your bore.

So. How does one know if there are remaining deposits in the bore?

A bore scope.

How does one know if the deposits are problematic?

Go to the range and shoot it.

To say a borescope is useless.....

I disagree. And my credibility is nothing compared to yours. So I fully anticipate a negative response from many.

That's OK.

I knew that up front.

 

[D Coots]

I didn't see where it was said a bore scope is useless?

I did see where the bbl needed a good cleaning though. Those folks up there haven't seen it all yet, but they're probably getting close.....

Time for a cleaning thread.....

Later

Dave

 

[ballisticdaddy]

So I'm likely to draw the ire of you and many other forum members here, but I'm gonna say it anyway.

There are a plethora of cleaning products and processes out there. Some work well. Some don't.

Reading the color of your patches tells you one thing and one thing only. Whatever solvent/process you are using is not removing anything from your bore.

So. How does one know if there are remaining deposits in the bore?

A bore scope.

How does one know if the deposits are problematic?

Go to the range and shoot it.

To say a borescope is useless.....

I disagree. And my credibility is nothing compared to yours. So I fully anticipate a negative response from many.

That's OK.

I knew that up front.

Even when your barrel is completely spotless if you are using an abrasive it will still show you color......even if it's stainless steel.

 

[DShortt]

I didn't see where it was said a bore scope is useless?

I did see where the bbl needed a good cleaning though.

Time for a cleaning thread.....
View attachment 1644635
Later

Dave

OK, well I guess 'sell your borescope and buy some brushes and patches' means different things to different people.

Used to have goats. They were just interested in food and hierarchy.

 

[DShortt]

Even when your barrel is completely spotless if you are using an abrasive it will still show you color......even if it's stainless steel.

Agreed. How do you know if you're removing deposits or barrel materials?

 

[Midger]

Here is a good example of fire crackling in a barrel. This was a squirrel gun and I don’t remember how many rounds. It might have been a 204 or 22 hornet.

 

[ballisticdaddy]

Agreed. How do you know if you're removing deposits or barrel materials?

By checking your process with a decent borescope. I agree that many use it just for fun and find things that they think may be an issue but it is a great tool if utilized properly. I feel comfortable with MY cleaning interval and technique that has been confirmed by what I saw using a borescope.

 

[338 Mollett]

I didn't see where it was said a bore scope is useless?

I did see where the bbl needed a good cleaning though. Those folks up there haven't seen it all yet, but they're probably getting close.....

Time for a cleaning thread.....
View attachment 1644635
Later

Dave

OH ! YOU GOT THAT OFF SNIPERS HIDE !!! But it wasn't from a shooting thread ! LOL !!!

 

[Old Navy]

It is possible to completely burn out a BR barrel in 900. I ran 153.5gn Bergers out of a 6.5x47 at 2850fps and by ~900 rounds the groups opened up and barrel stopped responding to tuning. It seems like 6.5x284 speed leads to 6.5x284 barrel life, regardless of if you do it with less powder. How hot is that load your buddy is shooting? Is it chasing a BRA/ Dasher trying to hit the low 2900fps node?

And your brass was probably toast also.

 

[Evan]

And your brass was probably toast also.

Actually the Peterson brass took it like a champ. Still using it on barrel #3 and reload #16, last I recall.