Standard Mil Spec Lower Receiver - Open Trigger - Anderson Lower Parts Kit - ODG (Olive Drab Green) Magpul Pistol Grip & Buttstock - 6 position Buffer Tube Kit - This Complete Lower Receiver Comes With Parts Installed & Ready To Attach An Upper - FFL Required For Purchase - This Complete Lower Includes a Completely Assembled Lower Magpul Lower Parts Kit and Buffer Tube & ODG Magpul Buttstock Assembly. - The AM-15 Stripped Lower Receiver is American made with superior quality for less! Our lower Receivers are CNC machined from a high-strength 7075 T6 aluminum forging for reliable performance and outstanding durability. Machined to Military Specifications & Standards and marked