The WMD Guns NIB-X spare bolt cam pin is a precision AR-15/M16 nickel boron component designed to deliver smooth cycling, enhanced durability, and reliable performance in rifle bolt parts. Engineered for AR-15 configurations, this cam pin integrates seamless compatibility with standard bolt assemblies, providing improved wear resistance and consistent operation under demanding shooting conditions. The nickel boron coating reduces friction and resists galling, contributing to easier installation, longer service life, and easier maintenance in high-volume or precision applications. Whether upgrading a duty rifle, competition build, or range-ready AR-15, this spare cam pin from WMD Guns supports smoother unlocking and reliable bolt timing, helping shooters maintain steady accuracy and dependable follow-up shots. Its robust construction and proven materials work well across a variety of bolt-part interfaces, making it a practical choice for builders seeking a high-quality, drop-in upgrade that supports consistent performance. In short, the NIB-X spare bolt cam pin embodies WMD Guns' commitment to precision, reliability, and long-term value for AR-15 enthusiasts and professional shooters alike.