Deep cleaning barrels.

[robert rex]

Tony Boyer the Benchrest Hall of Fames method. You can remove the carbon ring with a one size larger bronze brush soaked in Patch Out (or other solvent). Insert it until it just reaches the ring but not the riflings and turn a fixed short rod about 15 or 20 turns. You can find out how far to insert it by putting your bore scope to the carbon ring then pull it back a bit, put the fixed rod in and mark it with tape at your bore guide. You'll be at the ring but not the riflings.

 

[Polebridge57]

I'm a clean freak. I clean my rifles after every shooting session. Until I got a bore scope, I thought my bores were always clean to bare metal. The bore scope revealed that getting white patches out after a thorough cleaning does NOT mean that all the fouling has been removed. Copper is fairly easy to remove with regular cleaning. Baked on carbon can be extremely difficult to remove. BoreTech C4 does a decent job, just like the controversial CLP, but neither of them performs miracles on hardened carbon. IME -The only way to remove stubborn carbon is to soak the bore for days (periodic wet patches) followed by a stiff bronze brush and then using Flitz or JB.

One thing is for certain. If you aren't using a bore scope, you're just guessing about bore cleanliness. Now that you can buy a Teslong for under $100 on Amazon, there is no reason to guess anymore.

Do you recommend a rigid or a flexible bore scope?

 

[robert rex]

I have both but the $100 Teslong is fine and I use it more.

 

[Varmint Hunter]

Do you recommend a rigid or a flexible bore scope?

I use a long rigid scope. I have no experience with the flexible probs.

 

[Frogman77]

rigid teslong with bore guide flexible would be hard to manage