The Bravo Company Manufacturing Complete AR-15 Lower Receiver is built to Mil-Spec ensuring compatibility with a wide range of parts and accessories. This AR-15 lower comes fully assembled and ready to attach to any Mil-Spec complete upper. The receiver is forged from 7075-T6 aluminum and hardcoat anodized black and features an enlarged polymer trigger guard already installed. Additionally, this complete AR lower features a BCM grip, Mod-0 SOPMOD stock, and the MK-2 buffer system. This buffer system is an intermediate length between rifle and carbine systems offering the best of both worlds giving you the LOP a rifle stock and the adjustability of a carbine stock. It also offers a ton of improvements with short barrel rifles by helping to improve reliability and decreasing felt recoil.