Build a dependable AR-15/M4 platform with the BATTLEARMS WORKHORSE Heavy-duty Forged Upper Receiver. Forged from 7075-T6 aircraft-grade aluminum and precision CNC-machined, this rugged receiver is designed for strength, consistent fit, and reliable alignment in demanding duty, competition, and hard-use builds.
Made for straightforward integration with standard Mil-Spec-pattern components, the WORKHORSE upper accepts compatible AR-15/M4 barrels, handguards, and charging handles. Its full-length M1913 Picatinny top rail provides a continuous mounting surface for optics and backup iron sights, while carefully machined interfaces support a secure, repeatable assembly.
- Forged 7075-T6 aluminum: Aircraft-grade material offers a durable foundation for a service-ready AR-15/M4 build.
- Precision CNC machining: Mil-Spec dimensions are designed to promote consistent upper-to-lower receiver fit and alignment.
- Full-length Picatinny rail: M1913 top rail accommodates compatible optics and iron-sight setups.
- Optimized interfaces: Ejection-port and feed-ramp interfaces are designed to support reliable cycling with compatible components.
- Reinforced barrel extension area: A robust interface helps provide secure barrel fit and consistent alignment.
- Standard feature provisions: Prepared for a compatible charging handle and, where applicable, forward assist components.
- Finish choices: Select available Type III hard-anodized or bead-blast options from the product variants.
- Broad AR-15/M4 compatibility: Designed for standard-pattern components; confirm fitment with your chosen parts before purchase.
Choose the BATTLEARMS WORKHORSE forged upper receiver for durable construction, practical compatibility, and precision-machined quality. Select your preferred finish and verify component fitment and applicable regulations before assembly.
