Battle Arms Development Workhorse 10.5 Upper Ar-15 5.56 NATO M-LOK Ambidextrous

The BAD 10.5 UPPR WRKHORSE 556 AMBI BLK from Battle Arms Development is a complete upper receiver assembly engineered as a high-performance workhorse for AR-15 platforms, providing a ready-to-install 10.5\" 5.56x45mm NATO upper with a rugged black anodized finish and M-LOK compatibility for versatile accessory mounting. This 556NATO upper delivers a compact profile ideal for close-quarters and dynamic field use while maintaining reliable cycling and accuracy through its precisely machined upper receiver and components. Included in the package are the Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 bolt carrier group, offering smooth operation and intuitive control for both right- and left-handed shooters. The 10.5\" barrel length strikes a balance between maneuverability and performance, making it a popular choice for tactical builds, patrol rifles, or compact hunting setups that demand rapid target engagement and dependable reliability. The Black anodized finish protects against wear and corrosion, while the M-LOK handguard provides a modular platform to attach optics, grips, and accessories without adding unnecessary bulk. Designed for easy compatibility with AR-15 receivers, this Workhorse upper receiver ensures a streamlined, drop-in upgrade for builders and shooters seeking a ready-to-fire upper for 5.56 NATO applications.