Arm or Ally presents the Complete Lower Receiver, a solution designed for efficiency without compromising on quality, featuring components from reputable brands like Aero Precision and Ballistic Advantage. This option streamlines the building process by providing all essential components pre-assembled, including the trigger group and stock. The Complete Lower Receiver ensures a swift and reliable build without sacrificing the high standards of quality and performance that Arm or Ally, Aero Precision, and Ballistic Advantage are known for. Perfect for shooters seeking a hassle-free assembly process, this option delivers a complete package without compromising on reliability.