Anderson Manufacturing’s AM-15 Complete Lower Receiver is exactly what you need to start your AR-15 build. Made from high-quality aluminum with precision manufacturing processes it includes the lower parts kit and buffer tube assembly already installed. Anderson Manufacturing’s AM-15 Complete Lower Receiver is the same lower receiver assembly they use when constructing their fantastic AM-15 rifles. When you need an AR-15 lower that’s built and ready to go turn to Anderson Manufacturing for quality components that will not fail you! – Standard Mil Spec Lower Receiver – Open Trigger – Standard M4 Grip – Anderson Lower Parts Kit – 6 position Buffer Tube Kit – This Complete Lower Receiver Comes With Parts Installed & Ready To Attach An Upper – FFL Required For Purchase – Action: Semi – Caliber: 5.56 NATO or .223 Remington – Stock: Black – Finish: Anodized – Standard Mil Spec Lower Receiver – Open trigger – Standard M4 Grip – Anderson Lower Parts Kit – 6 position Buffer Tube Kit – This complete lwoer receiver comes with parts installed and ready to attach an upper