The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3" 6" and 9 oclock positions. At 12 oclock is a full-length Picatinny accessory rail with their signature notch cut matching the upper receiver. Every upper receiver is equipped with a 4150 chrome-moly steel black nitride barrel for durability and accuracy. The barrel is individually head-spaced with a matching 9310 steel bolt and 8620 black nitride carrier for ultimate reliability and ease of cleaning.

Features :

• "16" Barrel,
• Bad Rack-15 Ambidextrous Charging Handle
• Nitride Finish, AR-15/M16 Bolt Carrier Group
• Free Float M-LOK Handguard
• Anodized Finish, Black