Optimize your shooting experience with Complete Uppers offering superior quality and functionality, incorporating components from Aero Precision, Battlearms Development, and Matador Arms. Elevate your AR-9’s performance with these meticulously assembled upper assemblies.

At Arm or Ally, we are dedicated to providing a comprehensive range of AR-9 Upper Receivers, ensuring each component meets the highest standards of craftsmanship and performance. Explore our collection and unlock the full potential of your AR-9 build.