Forged 7075-T6 upper receiver with MIL-A-8625F Type III OD Green hard anodize — service-grade strength, optics-ready, and built for repeatable alignment with Mil-Spec components.
Key Features
- Forged from 7075-T6 aircraft-grade aluminum for proven strength
- MIL-A-8625F Type III hard anodize — OD Green finish for corrosion resistance and low-visibility tactical appearance
- Precision CNC machining to Mil-Spec dimensions for repeatable upper/lower alignment
- Full-length M1913 Picatinny top rail — optics-ready for red dots, holographics, and magnified optics
- Optimized ejection port and feed-ramp interfaces for reliable cycling
- Reinforced barrel extension interface for secure headspacing and alignment
- Prepped for standard charging handle and forward assist where applicable
- 100% dimensional inspection and QA before shipment
Specifications
- Model: WORKHORSE® AR15/M4 Forged Upper Receiver — OD Green
- Material: 7075-T6 Forged Aluminum
- Finish: MIL-A-8625F Type III Hard Anodize — OD Green
- Rail: Full-length M1913 Picatinny top rail
- Compatibility: Standard AR15/M4 pattern — accepts Mil-Spec barrels, handguards, and charging handles
- Features: Ejection port and feed-ramp optimized interfaces; forward assist provision (where applicable)
- Weight: Forged design (varies by configuration)
- Country of Origin: USA (replace if needed)
- SKU: WHS-UPR-FRG-ODG-SKU (replace)
Product Overview
The WORKHORSE® AR15/M4 Forged Upper Receiver — OD Green is a service-grade platform engineered for duty, competition, and hard-use builds. Forged 7075-T6 construction combined with tight CNC tolerances delivers long-term durability and consistent fit. The OD Green Type III anodize offers a functional, subdued finish ideal for field applications and builder aesthetics.
Why Choose WORKHORSE
- Durability: Forged construction resists deformation and stands up to repeated assembly/disassembly.
- Repeatability: Tight tolerances reduce play between uppers and lowers for consistent performance.
- Field-Ready Finish: OD Green Type III anodize combines protection with a tactical look.
- Flexibility: Accepts Mil-Spec barrels, handguards, and accessories for a wide range of builds.
COMPATIBILITY & FITMENT
Designed to accept standard Mil-Spec AR-15 components (barrels, BCGs, buttstocks, grips). For AR pistol or SBR builds consult a qualified gunsmith and ensure compliance with NFA rules where applicable
