About two years ago, I was assisting a manufacturer in some R&D on a new rifle. During the process, we broke various components, even melting some. In an effort to push the rifle into a whole new level of reliability, we chose to go with Nickel Boron (NiB) parts for all the fire control and BCG components. In doing so, we erased the one uncontrollable problem with direct impingement rifles-carbon fouling. By going with NiB, you truly are thumbing your nose at conventional rifle building and maintenance and entering a world of previously unknown levels of reliability.
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