Built for dependable fit and lasting performance, the BATTLEARMS WORKHORSE AR15/M4 Forged Upper Receiver pairs 7075-T6 aircraft-grade aluminum with precision CNC machining. Its service-grade construction makes it a solid foundation for a Mil-Spec-pattern build, while the subdued OD Green finish brings a distinctive field-ready look.
A full-length M1913 Picatinny top rail is ready for compatible optics, from red dots to magnified sights. Carefully machined interfaces support consistent alignment with standard components, and the Type III hard-anodized surface helps protect the receiver against wear and corrosion. Each unit receives dimensional inspection and quality checks before shipment.
- Forged 7075-T6 aluminum construction for strength and durability.
- MIL-A-8625F Type III hard anodize in OD Green.
- Precision CNC-machined to Mil-Spec dimensions for repeatable upper-to-lower fit.
- Full-length M1913 Picatinny rail for compatible optics and accessories.
- Designed for standard AR-15/M4-pattern Mil-Spec barrels, handguards, and charging handles.
- Optimized ejection-port and feed-ramp interfaces support reliable component fit.
- Reinforced barrel-extension interface promotes secure alignment.
- Prepped for a standard charging handle and forward assist where applicable.
- Made in the USA; weight varies by configuration.
Choose the WORKHORSE forged upper receiver for a durable, adaptable platform with precision-machined fit and a protective OD Green finish. Confirm component compatibility before assembly; consult a qualified gunsmith for specialized configurations and follow all applicable laws and regulations.