I apologize in advance if this question has been asked already.
I've recently begun my first build and have been searching for only the highest caliber of components (pun intended). I had all but settled on a nickel boron bolt and carrier but just stumbled upon one having undergone a black nitride treatment. So far they seem similar in that they are both pitched as somewhat self-lubricating. Even so; I fully intend on responsibly lubricating my rifle. Anyways, I'm curious if anyone can provide more information on these different coatings and which may prove more durable and better functioning.
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