Aero Precision AR15 Complete Lower Receiver Features The Aero Precision AR15 Complete Lower Receiver serves as the ultimate foundation for your next custom firearm build. This assembly comes pre-installed with an A2 Grip and an M4 collapsible stock providing immediate ergonomic functionality. It is designed to work seamlessly with standard AR15 Gen 2 components ensuring compatibility with a wide range of upper receivers and accessories. Built for versatility this complete lower receiver features a carbine receiver extension along with a carbine-weighted buffer and spring. The Flat Dark Earth Cerakote finish provides a durable corrosion-resistant surface that stands up to heavy use. Engineered to handle multiple calibers this lower is the ideal starting point for shooters looking to customize their rifle to specific mission requirements. Aero Precision AR15 Complete Lower Receiver Specifications Manufacturer: Aero Precision Model: AR15 Complete Lower Receiver Subtype: Lowers Finish: Flat Dark Earth Cerakote Type: AR15 Gen 2 Lower Parts Kit: Mil-Spec Receiver: Carbine Receiver Extension Included: Carbine Buffer and Spring Stock: M4 Grip: A2 Caliber: Multi Weight: 5 lbs Platform: AR15 Buffer System: Carbine