Aero Precision M4E1 Stripped Lower Kodiak Brown 5.56

Aero Precision M4E1 Features The Aero Precision M4E1 lower receiver is designed with several features to improve the build process and final performance. It includes a threaded bolt catch roll pin for easier installation an integrated trigger guard for added strength and an upper tension screw to remove any upper/lower receiver wobble. The increased magwell flare allows for faster and easier reloads while the threaded takedown pin detent recess simplifies the assembly process. This lower re