The BAD 16 UPPR WRKHORSE 556 AMBI C BLK from Battle Arms Development delivers a complete upper receiver built for AR-15 platforms, featuring a 16" 5.56x45mm NATO barrel and a robust M-LOK handguard in a sleek black anodized finish designed for reliability in diverse field and range environments. This Workhorse upper is crafted to integrate smoothly with standard AR-15 components, providing a ready-to-fire upper that enhances silhouette, balance, and heat management during extended shoots or tactical training. Included with the upper are the Bad Rack-15 C ambidextrous charging handle and an AR15/M16 bolt carrier group, ensuring smooth cycling and consistent lockup for dependable performance across various ammunition and conditions. The combination of a precision-cut upper receiver, clean anodized Black finish, and precise fit ensures a tight, repeatable zero and straightforward installation for upgrade enthusiasts and professional shooters alike. Whether optimizing a dedicated competition build, a duty-ready rifle, or a versatile hunting setup, this Battle Arms Development Workhorse upper emphasizes durability, compatibility, and streamlined handling while delivering the confidence of proven engineering and thoughtful ergonomics.