re: Anderson rifles and RF85 technology

quote:

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Are they claiming gun oil inside the barrel turns into carbon once the cartridge is fired?

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The oil will trap carbon and unburned propellant and the hot gasses will eventually vaporize the oil into a varnish which will make that crud harder to remove. I always run a dry patch down the bores of my firearms before firing so there is pretty much no oil, any residue would be blasted out anyway. I don't think there is much merit to the claim concerning the barrel itself unless you were in the habit of running a rifle so wet with lube that it dripped into the magazine and covered the ammo which would cause oil to foul the chamber and bore to a degree.