WMD Guns NiB-X Bolt Assembly 5.56 – Nickel Boron Coated AR-15 BoltUpgrade your AR-15 with the WMD Guns NiB-X Bolt Assembly for superior performance, extreme durability, and effortless cleaning. This precision-engineered bolt is optimized specifically for WMD’s proprietary NiB-X nickel boron coating, delivering unmatched lubricity, corrosion resistance, and long service life.The NiB-X coating provides a super-slick surface that reduces friction, minimizes carbon buildup, and makes cleaning dramatically easier — even after thousands of rounds. Ideal for high-volume shooting, suppressed builds, and harsh environments.
Key Features & Benefits:
- NiB-X Nickel Boron Coating — Extremely low friction, self-lubricating, and highly resistant to wear and corrosion
- Premium Materials — Case-hardened 9310 steel, shot peened and magnetic particle inspected for maximum strength and reliability
- High-Performance Components — Includes enhanced extractor, ejector springs, gas rings, and special O-ring buffer
- Superior Lockup — Engineered for smooth locking and unlocking with barrel extensions
- Easy Maintenance — Carbon and fouling wipe off with minimal effort
- Lifetime Performance — Built to withstand extreme round counts with consistent function
Perfect for custom AR-15 builds, replacements, or upgrades in 5.56 NATO / .223 Remington (also compatible with many other calibers). Whether you’re a competitive shooter, tactical user, or recreational shooter, the WMD NiB-X Bolt Assembly delivers professional-grade reliability and ease of use.
Specifications:Model: NIBXBA556Caliber: 5.56 NATO / .223 Remington (also supports .224 Valkyrie, 6.5 Grendel, 6.8 SPC, 7.62×39, etc.)Material: Case-Hardened 9310 SteelFinish: NiB-X Nickel Boron (Bolt & Extractor)Inspection: Shot Peened + Magnetic Particle InspectedOrigin: Made in the USA by WMD Guns
Note: This is the bolt assembly only (not a complete BCG).
By purchasing WMD Bolt Assembly 450 Bushmaster NiB-X from our online store, you are guaranteed to receive a high-quality item. We work with trusted brands to offer shooting and hunting enthusiasts, both amateur and professional, quality products at a reasonable price. Choosing to buy from us means opting for quality and practicality
The actual appearance of the product may differ from the image on the website. For additional information about payment, delivery, and product specifications, please contact us by phone or email.
