Battle Arms Development Workhorse 16" 5.56 Upper Receiver

Battle Arms Development Workhorse Upper Receiver

The Workhorse represents a thoughtfully engineered complete upper receiver system designed for shooters who demand reliability without compromise. Built around a forged 7075-T6 aircraft-grade aluminum receiver, this upper combines durability with precision manufacturing.

Barrel and Bolt Assembly

The 16-inch barrel is constructed from 4150 chrome-moly steel with black nitride finish, providing excellent corrosion resistance and longevity. Each barrel is individually head-spaced with a matching 9310 steel bolt and 8620 black nitride carrier, ensuring consistent performance and straightforward maintenance.

Handguard and Accessory Rail System

The free-float rail handguard features M-Lok attachment points at the 3, 6, and 9 o'clock positions for mounting lights, grips, and other tactical accessories. A full-length Picatinny rail runs along the 12 o'clock position with a signature notch cut that matches the upper receiver profile, providing a clean, integrated appearance while maintaining maximum mounting flexibility.

What's Included

• Ambidextrous charging handle for left and right-handed shooters
• Bolt carrier group
• Ready to install on any AR-15 lower receiver

This is a complete, ready-to-shoot upper receiver that eliminates guesswork and delivers the kind of reliability serious shooters expect.