WMD Nickel Boron Best AR15 Bolt MPI HP Easy Clean AR-15 NiBX 5.56
The bolt is the heart of your weapon system. The WMD NiBX Bolt is a premium bolt upgrade that offers the highest strength with an easy clean finish. Add the benefits of nickel boron and maintain your dark low profile appearance by using your own nitrided or phosphated carrier. M16/AR15 5.56x45/.223 caliber Bolt. WMD's 5.56 Bolt Assembly-Optimized for performance. The bolt was engineered for NiB-X nickel boron coating to provide long life, ease of cleaning and superior locking and unlocking action with barrel extensions. PREMIUM AR15 Bolt AT AN OUTSTANDING PRICE!
· Bolt – Carpenter 158 case hardened, shot peened and magnetic particle inspected. Manufactured to Government drawings. Mil Spec gas rings. NiB-X coated (40% more wear resistant than Chrome).
· Extractor – Manufactured, heat treated, hardened, per Government drawings. Black extractor buffer and heavy duty spring. NiB-X coated.