WMD Guns NIBX Forged Matched Upper/Lower Set

Description

The WMD Guns NIBX Forged Matched Set Upper/Lower is a paired receiver set machined from Mil‑Spec 7075‑T6 aluminum. Both receivers are finished with a Nib‑X (nickel boron) coating for enhanced lubricity and surface wear resistance. The upper receiver includes M4 feed ramps, and the lower receiver features front magazine well finger grips. These components are made in the USA and intended for use in AR‑platform builds and replacements.

Key Specifications

• 7075-T6 aluminum forging machined to Mil‑Spec dimensions.
• Nib‑X (nickel boron) finish applied for lubricity and durability.
• Matched upper and lower set sold together as a paired receiver group.
• M4 feed ramps incorporated into the upper receiver.
• Front magazine well finger grips on the lower for improved handling.
• Color: Silver as supplied.
• Action: Semi‑Auto (designed for use in semi‑automatic AR‑platform rifles).
• Caliber: Multi (receiver set intended for multi‑caliber builds depending on other components).
• Product type: Lower/Upper Set for complete matched receiver pairing.
• Made in the USA per manufacturer description.

This forged, machined receiver set provides a robust and precisely aligned foundation for a wide range of AR‑platform builds, from precision and competition projects to practical sport shooting applications. The Nib‑X finish eases maintenance while the matched pairing promotes reliable fit and consistent performance for builders and enthusiasts who prioritize durable, well‑machined components.