Rust prevention in a salt marsh

[Micah]

Originally Posted by FF_T_Warren

If it is black, I highly suggest you send it off and have it Black-T'd. Cost $200 and the gun will be indestructible. The labs stopped testing it cuz it went through thousands of hours of high pressure saltwater testing and finally they just stopped trying to make it rust. Also the coating is so slick that nothing will stick to it can literally wipe the parts with a dry paper towel and the gun will be cleaner than if you sat there scrubbing on it for an hour with normal gun cleaning products

What does that do for the inside of the barrel and chamber?