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12-23-2015, 02:57 PM
It's not really a coating, like what a chrome lining in a barrel would be. This is actually a chemical process that embeds itself into the pores in the metal. It makes the item stronger, more rust resistant, and has some self lubricating properties. This isn't to say that the firearm should be ran dry but you don't need to lube it as much as one using a blued or parkerized finish. The nice thing about using it for barrels is that the barrel's inner diameter doesn't need to be bored larger than the caliber fired to allow for the chroming process. This makes it more uniform down the length of the barrel, which combined with the slicker surface provided, makes nitrided barrels more accurate than chrome lined ones. Most people don't realize how much a chrome lined barrel isn't uniform through the length of it. If you cut one in half and magnify it, you can see where the bore is thicker in some places than others. This is due to it being a coating layer applied after it is manufactured. Nitride doesn't have that problem because it's a metal treatment and not a coating. Nitride finishes are also harder to damage than prior methods. When doing their torture test on the Century C39v2, AK Operators Union 47-74 drug one behind a SUV going 45mph down a dirt road for about a 1/4 of a mile with no scratches being suffered to the finish. I highly recommend nitrided firearms parts.