The Battle Arms Development WORKHORSE 556 upper receiver delivers a complete 16″ barrel assembly with mid-length gas system and M-LOK handguard for reliable AR-15 builds and training.
The Battle Arms Development WORKHORSE 556 upper receiver is a complete upper assembly designed for AR-15 builders and shooters. This precision-engineered platform features a 16″ barrel chambered in 223 Remington/5.56 NATO. Furthermore, it delivers the performance and versatility modern shooters demand.
Additionally, the WORKHORSE includes a mid-length gas system that balances reliability with smooth cycling. The 15″ M-LOK free-float handguard ensures consistent accuracy shot after shot. Therefore, you get superior mounting flexibility for tactical accessories and rail systems.
Durability and Precision Engineering
Battle Arms Development engineered this upper with durability in mind. The anodized black finish resists corrosion and wear in demanding conditions. Moreover, the A2 flash hider reduces muzzle flash during shooting. As a result, this assembly is ready for immediate use.
The 16″ barrel provides excellent velocity while maintaining maneuverability in the field. Performance and reliability are built into every aspect of the WORKHORSE design. Indeed, Battle Arms Development’s reputation ensures quality craftsmanship you can trust.
Ideal for Training and Multi-Platform Versatility
The WORKHORSE upper suits tactical shooters, hunters, and rifle builders alike. For example, this assembly excels as a training platform or caliber conversion option. The mid-length gas system offers balanced controllability for extended practice sessions.
Additionally, the M-LOK handguard accepts modern accessories for customization. You can configure your rifle exactly how you want it. Finally, the free-float design maintains accuracy whether you’re running a basic setup or a fully kitted platform.
What You’ll Need to Complete Your Build
This upper receiver assembly does not include a bolt carrier group or charging handle. However, these parts are readily available from most AR-15 suppliers. You’ll need to source them separately along with a lower receiver assembly.
Once you add these components, your WORKHORSE upper will be fully functional. The assembly process is straightforward for builders of any experience level. Simply ensure your lower receiver is properly assembled before attaching this upper.
Ordering from Western Sport
Order online and it ships straight to your door. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.
Frequently Asked Questions
Q: Will the WORKHORSE 556 upper work with my existing AR-15 lower receiver?
A: Yes, this upper receiver assembly is compatible with standard AR-15 lower receivers. Simply ensure your lower is properly assembled before attaching this upper to it.
Q: What components do I need to add to complete the WORKHORSE upper?
A: You’ll need a bolt carrier group, charging handle, and a lower receiver assembly. These are sold separately and readily available from most AR-15 suppliers and retailers.
Q: Is the WORKHORSE 556 good for training and caliber conversion uses?
A: Absolutely. The mid-length gas system and free-float handguard make this upper excellent for training. Additionally, it serves as a reliable platform for multi-gun configurations and practice sessions.
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