Nib-x~ Upper Receiver, Black

The Nib-x Upper Receiver in Black from WMD Guns is a precision-engineered component designed for AR-15 platform builders and professional shooters who demand reliability in the field. This upper receiver serves as the foundation of your rifle's accuracy and durability, housing critical internal components and providing the mounting surface for your barrel, bolt carrier group, and charging handle. Whether you're building a duty rifle or a precision shooter platform, a quality upper receiver is essential for optimal performance.

WMD Guns manufactures this upper receiver with tight tolerances and a durable finish that provides corrosion resistance and a professional appearance while maintaining a low visual signature. Precision machining ensures proper headspacing when paired with your barrel extension and bolt, which is critical for safety and accuracy. The robust design is primarily intended for direct impingement systems, making it suitable for various build configurations.

Law enforcement, military, and civilian precision shooters rely on WMD Guns upper receivers for mission-critical applications where component failure is not an option. Installation requires proper alignment with your lower receiver and barrel assembly; professional gunsmithing or adequate knowledge is recommended for optimal results.