Arm or Ally offers a diverse selection of AR-9 Stripped Lower Receivers, including options from Aero Precision and Battle Arms Development. These stripped lowers serve as the foundation for your AR-15 build, providing a customizable platform to tailor your firearm to your preferences. Crafted with precision and durability in mind, these receivers offer a blank canvas, allowing you to add your chosen components, triggers, and grips, ensuring a personalized and high-performance firearm.