Dreaded Carbon Ring

[AWS]

I have a nice 20P and decided to load a different bullet. I wanted to seat it into the lands And then back off and kept sticking a bullet in the barrel. I kept back the bullet off and finally blacked .bullet and instead instead of showing lands I got a solid ring around the bullet. I bought a bore scope and it looks like a washer between he case mouth and the leade which is black also. So it seems the washer looking ring is.preventing the bullet from reaching the lands. I've been loading for 60 years and never had this happen before.

Any suggestions to repair and prevent.

 

[Bill Norris]

A bore brush one caliber over bore size on a solid short cleaning rod (non-rotating) with a carbon cleaner will be a good place to start with spinning it @ 30 rotations. Repeat until it's gone. You may get rid of it quicker to let it soak awhile too in the carbon cleaner.

 

[TRSR8]

IMHO, you do not, need not want to be spinning anything in a quality barrel.
Simple soak with C4 will remove it, may need 2-3 applications when it’s this bad

 

[whatsupdoc]

My method is to measure a fired case neck and add .020 to that measurement.
Find a new or worn bronze brush close to that dimension, attach it to a rod and
with some solvent spin it by hand in the chamber checking with a bore scope.

 

[Bill Norris]

I don't think a nylon brush is going to damage a barrel. If I felt it would I would definitely not put a bullet down the bore.

 

[TRSR8]

Nowhere in your post is nylon mentioned. Point is, you simply don’t need to, C4, follow directions…..done.
Some guys….you tell ‘em to spin it, they’ll hit 10,000 rpm.

 

[Bill Norris]

Nowhere in your post is nylon mentioned. Point is, you simply don’t need to, C4, follow directions…..done.
Some guys….you tell ‘em to spin it, they’ll hit 10,000 rpm.

Well, to each their own.

 

[Clancy]

There is not a solvent that I’m aware of that’ll get a real carbon ring out.

A bronze brush a couple of sizes too large spun in the neck after a good soak is the only way. Repeat as necessary. This is in Speedy’s cleaning video. He does it at every cleaning, and it looks like he’s done ok.

I haven’t ready Tony’s book in a few months, but I remember he would take a brush and deliberately work it back and forth in the neck to remove a carbon ring. He did ok if you recall…

There’s literally not a thing one could do to a barrel with a bronze brush that would have a negative result- that I can think of.

 

[jelenko]

I have not met a hard carbon ring that can be soaked or brushed out. For me, they all required some abrasive.

Note: My typical range session is 70 rounds, some shot 10 rounds in 60 seconds - maybe that makes the carbon more baked on.

 

[Bill Norris]

There is not a solvent that I’m aware of that’ll get a real carbon ring out.

A bronze brush a couple of sizes too large spun in the neck after a good soak is the only way. Repeat as necessary. This is in Speedy’s cleaning video. He does it at every cleaning, and it looks like he’s done ok.

I haven’t ready Tony’s book in a few months, but I remember he would take a brush and deliberately work it back and forth in the neck to remove a carbon ring. He did ok if you recall…

There’s literally not a thing one could do to a barrel with a bronze brush that would have a negative result- that I can think of.

That guy on Primal Rights in response to some keyboard warriors did a video and literally done his best to break his bronze brush off in his chamber with a drill and did absolutely no harm to it according to him.

 

[Clancy]

This one came out of a 25-06, mostly in one piece. That barrel had been soaked for 24 hours in Hoppe’s Benchrest, cleaned twice with C4 and CU2, and cleaned twice with wipeout gel. It only came out after I learned the oversized brush trick.

 

[Bill Norris]

View attachment 1469145

This one came out of a 25-06, mostly in one piece. That barrel had been soaked for 24 hours in Hoppe’s Benchrest, cleaned twice with C4 and CU2, and cleaned twice with wipeout gel. It only came out after I learned the oversized brush trick.

WOW that is a huge one no doubt.

 

[TRSR8]

That guy on Primal Rights in response to some keyboard warriors did a video and literally done his best to break his bronze brush off in his chamber with a drill and did absolutely no harm to it according to him.

That there guy is a three star fool. Same guy who claims to participate in” the highest level of RF accuracy” that nobody has ever seen at a match and claims high grade RF rifles never need to b cleaned. He’s a SH all star.

 

[Florida Wally]

A bore brush one caliber over bore size on a solid short cleaning rod (non-rotating) with a carbon cleaner will be a good place to start with spinning it @ 30 rotations. Repeat until it's gone. You may get rid of it quicker to let it soak awhile too in the carbon cleaner.

This is what I do every time I shoot/clean my rifle, except I put some JB’s bore paste and a lot of carbon cleaner on my nylon brush. I use a .357 cal brush in a .308 chamber. I haven’t ever cleaned the carbon ring completely by solvent alone, nor linear (back and forth) motion with a cleaning rod and brush.

 

[Bill Norris]

This is what I do every time I shoot/clean my rifle, except I put some JB’s bore paste and a lot of carbon cleaner on my nylon brush. I use a .357 cal brush in a .308 chamber. I haven’t ever cleaned the carbon ring completely by solvent alone, nor linear (back and forth) motion with a cleaning rod and brush.

Yea, you have to spin it no doubt. And sometimes it's stubborn. You have to go to other measures to get it out. But, as I said it was a good starting point with the brush and carbon cleaner.

 

[Murray Brook]

I agree with you Bill. Spinning the rod works for me along with Fritz bore cleaner ( The green stuff )

 

[JEFFPPC]

IMHO, you do not, need not want to be spinning anything in a quality barrel.
Simple soak with C4 will remove it, may need 2-3 applications when it’s this bad

How do you know it's out?

 

[Shooter13]

Someone else recommended to me a product called "piston Kleen" it is water based and will not harm your barrel, works great on carbon, I use a bore mop and "spin" it by hand, let it sit for 30 minutes or so then run 2 more wet patches down the barrel then do a regular cleaning, it works great!

 

[TRSR8]

How do you know it's out?

the borescope tells all. I have a Hawkeye but the inexpensive Teslong is great for anybody that shoots a bunch. Without one or the other, you’re guessing.
As A CFBR and RFBR shooter, proper bbl maintenance is pretty important For me.

 

[JEFFPPC]

I wonder why the C4 did not work for Clancy. Well, I will buy some and give a report. If it works great. Inquiring minds want to know. Stay tuned. I admit, I am skeptical, but willing to learn. I hope it works. I have heard others say it doesn't but, I will test.