The AR-15 Carbine Complete Lower Receiver is the perfect base for your custom AR-15 build. This complete lower features an A2 Grip and our Gen 2 Lower Receiver. Available in Carbine Length configuration. AR15 Stripped Gen 2 Lower Receiver – Anodized Black A2 Grip – Black Mil-Spec Trigger Guard – Anodized Black Standard Lower Parts Kit AR-15 Carbine Receiver Extension AR-15 Carbine Buffer and Spring This complete lower does not include a stock. Mfg: Aero Precision