SKU: WMD1-NIBXBA556
UPC: 855899003232
The WMD Nib-X Bolt Assembly 556 is a precision-engineered bolt carrier group designed specifically for 5.56 NATO/.223 Remington rifle platforms. This bolt assembly is ideal for shooters who require reliability and consistency in various applications, including patrol rifles and competition builds.
The Nib-X designation refers to a nickel-boron coating applied to the bolt and carrier surfaces, which reduces friction and improves corrosion resistance compared to standard finishes. This coating can enhance performance in challenging environments, but regular maintenance is still necessary to ensure optimal function.
Shooters who prioritize uptime and consistency, such as tactical competitors and law enforcement, will find this bolt assembly beneficial for maintaining performance during extended use. The assembly is compatible with standard AR-platform upper receivers and operates reliably with both commercial and mil-spec ammunition types.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
