The Battle Arms Development BAD WORKHORSE 556 UPPR 16" BLK N/BCG pairs a rugged AR-15 upper receiver platform with a 16-inch 5.56x45mm NATO barrel and a hard-wearing black anodized finish, delivering a dependable foundation for versatile rifle builds. This Workhorse upper is designed to mate seamlessly with AR-15 lower receivers, providing a precise, streamlined interface for upper assembly without including a bolt carrier group or charging handle, enabling shooters to source components to their preferred configuration. With its sleek anodized profile, the upper combines durability and consistent heat management for repeated field or range use, while its 16-inch length offers an excellent balance of velocity, maneuverability, and platform stability across a variety of engagements. Ideal for hunters, competition shooters, and enthusiasts seeking a reliable backbone for a ready-to-build upper, this upper receiver emphasizes fit and function, ensuring smooth cycling and repeatable accuracy when paired with the right BCG and charging handle. Built under Battle Arms Developments standard of quality, it helps you construct a capable, high-performance AR-15 setup.