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What oil is best for inside of barrels after a cleaning?

The last time I went shopping for a custom barrel several of the usual manufacturers had a warning not to use CLP in their barrels as it effects accuracy and takes a while to shoot the stuff out. I don't know if that's still an issue or not.

I generally use 5w-30 Synthetic (Mobile 1, Casterol or Rotella) after cleaning barrels. Never have any rust problems. I've used RIG in the past with good results, too. Another product that works well (but I've never used in a barrel) is Rust Guard-it. Works great for long term storage but requires solvent to remove!
Cheers,
crkckr
 
I've been using Lucas Gun Oil lately. I put a couple drops on a patch and run through the bore after cleaning. Following up with a dry patch to get out excess. I have not had any issues on my rifles taking more than 1 shot to foul or settle back in. It seems to help with reducing copper fouling & carbon ring too. I wipe the bolt with it too.
 
I certainly will not profess this to be the best, but used it for many years while living in South Louisiana (a fairly humid region) and never had an issue…..3 in One oil. I'm sure that with modern technology there is vastly better oils today!

But, if it's a vintage firearm….go vintage oil! 🤪 memtb
 
Two quick questions:

1. Bore Tech Eliminator and several other products say they will not damage the bore if left in the bore, and will also serve as a rust preventative. I am a little old fashioned, and have always removed it once done and then oiled the bore. Has anyone had any experience with this, and if so, how long will it protect?

2. I clean and oil my rifle bores after every use because I can not be sure how long it will be before they are shot again. However, there has been some discussion about not cleaning the bores for several hundred rounds or until accuracy falls off in some disciplines. In these case, is any bore treatment used — ie. Is the barrel dry patched to remove ash and dirt, and then oiled with a patch to prevent rust, or the bore just left dirty??

Thanks,
Mike D
 
Two quick questions:

1. Bore Tech Eliminator and several other products say they will not damage the bore if left in the bore, and will also serve as a rust preventative. I am a little old fashioned, and have always removed it once done and then oiled the bore. Has anyone had any experience with this, and if so, how long will it protect?

2. I clean and oil my rifle bores after every use because I can not be sure how long it will be before they are shot again. However, there has been some discussion about not cleaning the bores for several hundred rounds or until accuracy falls off in some disciplines. In these case, is any bore treatment used — ie. Is the barrel dry patched to remove ash and dirt, and then oiled with a patch to prevent rust, or the bore just left dirty??

Thanks,
Mike D
I remove any solvents with alcohol. Put a micro film of CLP in the bore. I don't want solvents mixing and doing something unforeseen.
I am experimenting with leaving colloidal graphite, like Lock Ease, for copper fouling prevention and to simulate a fouled bore for first shots. When doing this I make sure the bore is degreased and raw.
 
Boretech, dry patches, Frog Lube CLP gel on a patch, then another dry patch. The Frog Lube always seems to catch a little dirt, even after the Boretech.
Cold shot is fine.

I used to use Royal Purple 5w-30 synthetic motor oil and it worked great, but I got a little tired of the smell.
 
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