Aero Precision M4E1 5.56mm Assembled Upper Receiver 18 Inch Rifle Length

The M4E1 5.56MM Assembled Upper Receiver from Aero Precision is a high-quality component designed for AR-15 enthusiasts seeking reliability and performance in their builds. Featuring an 18-inch barrel length and a sleek black anodized finish, this upper receiver not only enhances the aesthetic of your rifle but also ensures durability and resistance to wear. The M4 contour provides a familiar feel and balance, making it ideal for both competitive shooting and tactical applications. With its compatibility with 5.56 NATO cartridges, this assembled upper receiver allows for versatile ammunition options, catering to various shooting preferences. Whether you're at the range honing your skills or out in the field on a hunting expedition, the M4E1 upper receiver delivers consistent accuracy and dependable functionality. Its in-stock availability means you can enhance your AR-15 setup without delay, making it a practical addition for any firearm enthusiast looking to elevate their shooting experience.