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Kroil As Bore Cleaner?


bountyhunter

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Guest Larry Cazes

Benchrester's have used this for years to clean their barrels that have had Moly coated bullets fired through them. Have never tried it myself but I have heard it is an excellent penetrating oil and therefore should cut powder fouling pretty well.

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Kroil absolutely rocks. Use it as it comes, no dilution needed. It gets under stuff if you leave it in the barrel for a bit, then a patch or two and you are done. I always leave a film of Kroil in chambers and (rifle) bores.

I use JB bore paste in rifle barrels once in a great while. But because it is an abrasive, I don't use it very often, typically only when copper fouling starts taking acuracy away noticeably. A nylon brush, patches and Kroil get things plenty clean by themsevles.

I haven't used any other bore cleaner/solvent but Kroil (and JB ocassionally) for a couple years now, and I am not lookin' back.

BTW, I find that a drop of Kroil in the bolt carrier holes of an AR every 100-150 rounds keeps the bolt & rings clean-n-slick when you are in the middle of a match and have got a lot of shootin' coming at you with little chance for bolt dis-assembly & cleaning.

Regards,

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At my company they use Aero-Kroil on all the steel tooling for injection molding. At the pressures they use (around 2000lb for polycarbonate) any failure to slide and separate would cost them a fortune.

PB Blaster is good for anything that's stuck. So is a Bic lighter.

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The benchrest mix is 1/3 Kroil, 2/3 Shooter's Choice. Since it's hard to find Kroil where I am, I use Marvel Mystery Oil instead. First couple of patches are straight MMO, then the mix, JB or USP Bore Paste on a patch if necessary, some Butch's Bore Shine if necessary, finish up with a light coat of MMO to leave in the barrel. Don't mix the MMO/SC and the BBS, dry the barrel out well first. This is for my live varmint rifles. I shoot moly in most of these rifles, never had any problems, etc.

Don't know that I've ever had any solvent in a IPSC pistol, other than brake cleaner. Are you guys seeing copper problems in your handguns?

Rich

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