Description
The WMD NIB-X Firing Pin is a premium Mil-Spec drop-in upgrade for any standard AR-15/M16 bolt carrier group. It features WMD’s proprietary NiB-X Nickel Boron coating that delivers superior lubricity, extreme wear resistance (40% harder than chrome), and excellent corrosion resistance.
This slick NiB-X finish allows for fast and easy cleaning ¢?? often just a simple wipe is enough. Perfect for high-volume shooting, suppressed firearms, or anyone wanting maximum reliability with minimal maintenance.
Features:
- MIL-SPEC dimensions for perfect fit and function
- NiB-X coated for reduced friction and outstanding durability
- Compatible with both semi-auto and full-auto BCGs
- 40% more wear-resistant than chrome
- Easy to clean – often just a wipe
- Made in the USA









