Fx910-U Ar9 Upper 9mm 10.5in Barrel 9in M-Lok Handguard Ar15

The Faxon Firearms FX910-U Complete AR9 Upper in Black delivers a purpose-built 9mm platform designed for AR-15 enthusiasts seeking reliable pistol-caliber performance. Built around a steel, nitride-finished 10.5" barrel, this upper integrates seamlessly with AR-15 receivers, offering true AR compatibility for rapid setup and easy maintenance. The 9" M-LOK handguard provides ample mounting space for accessories while keeping weight and profile conducive to agile handling. This complete upper includes the essential components for a ready-to-fire AR9 configuration, enabling shooters to maximize pistol-caliber accuracy, reduced recoil, and fast follow-up shots. With a Made in the USA manufacturing standard, it reflects Faxon's commitment to quality and consistent performance in demanding field or range environments. The combination of a purpose-built 9mm Luger chambering, a compact 10.5" barrel, and a clean M-LOK interface makes this upper ideal for compact sporting rifles, home defense variants, or suppressor-friendly builds when paired with the appropriate barrel and interface components. Trust this Faxon option to deliver dependable cycling, consistent accuracy, and a modular platform for flexible calibers and setups.