Wmd Guns Nib-X Firing Pin Ar-15 M16 Nib-X Bolt Upgrade

The WMD Guns NIB-X firing pin for AR-15/M16 delivers a precision-machined, NiB-X coated solution designed to enhance reliability and reduce wear in high-demand rifle bolt systems. Engineered for AR-15 compatibility, this firing pin integrates with standard upper receivers and bolt assemblies to provide smoother lockup and consistent ignition across a wide range of conditions. The NiB-X finish offers superior hardness and corrosion resistance, contributing to extended service life and easier main