Aero Precision M4E1 5.56 Assembled Upper Receiver 16'' Mid-Length M-Lok Atlas S-One Handguard

The M4E1 5.56 Assembled Upper Receiver with M-LOK Atlas S-One Handguard by Aero Precision is designed for those seeking a reliable and versatile upper assembly for their AR-15 platform. This complete upper features a 16-inch barrel with a 1-7 twist, ensuring optimal performance with 5.56 mm NATO cartridges. The sleek black anodized finish not only enhances durability but also provides a modern aesthetic that complements any build. The M-LOK Atlas S-One handguard offers a lightweight yet robust design, allowing for easy attachment of accessories while maintaining a slim profile for improved handling. Ideal for both tactical applications and recreational shooting, this upper receiver assembly is in stock and ready to elevate your shooting experience. Whether you are a seasoned hunter or a competitive shooter, the M4E1 upper receiver delivers precision and reliability, making it an essential component for your next firearm project.