The WMD NIB-X Firing Pin 5.56 brings WMD Guns’ proven NiB-X technology to a critical small part inside your AR-15 or M16. This steel firing pin is finished with WMD’s proprietary nickel-boron NiB-X coating, delivering a smooth, consistent surface that resists fouling and keeps your bolt carrier group running reliably shot after shot.

Designed as a direct replacement for standard 5.56 NATO firing pins, this component is ideal for shooters who want a durable, low-maintenance upgrade for range use, training, or general-purpose rifles. The slick NiB-X surface helps simplify cleaning and supports dependable ignition performance over extended round counts. WMD Guns’ focus on advanced coatings and quality materials makes this firing pin a smart enhancement for any AR enthusiast.

• Manufacturer: WMD Guns
• Model: NIB-X Firing Pin 5.56
• Caliber: 5.56 NATO
• Unique Features: Steel construction with NiB-X nickel-boron coated surface