One Horse AR-15 A3 Stripped Upper Receiver – Black Anodized
The One Horse AR-15 A3 Stripped Upper Receiver (OH-UR02) is a precision-machined, duty-grade foundation designed for custom AR-15 builds. Crafted from forged 7075-T6 aluminum, this upper receiver offers superior structural integrity and durability compared to cast or lower-grade alloy alternatives. Built to true MIL-SPEC dimensions, it ensures seamless compatibility with a wide range of barrels, handguards, and internal components, making it an ideal starting point for everything from a budget-friendly plinker to a high-end tactical rifle.
This A3-style upper features a flat-top Picatinny rail for easy optic mounting and is finished with a Type III Hardcoat Anodized coating for maximum corrosion and abrasion resistance. The interior is machined to support smooth bolt carrier group travel, and the receiver includes M4-style feed ramps for enhanced feeding reliability. Proudly 100% American Made, One Horse components are known for their strict quality control and uncompromising standards, providing a clean, "no-nonsense" aesthetic that matches perfectly with any standard MIL-SPEC lower receiver.
Includes: (1) Stripped Upper Receiver. (Forward Assist and Port Door kits sold separately).
Key Features
- 7075-T6 Forged Aluminum: High-strength aerospace alloy provides the rigid foundation necessary for long-term accuracy and safety.
- M4 Feed Ramps: Features precision-cut feed ramp extensions to ensure reliable chambering with a variety of ammunition types.
- MIL-SPEC Compatibility: Designed to accept standard AR-15 forward assists, ejection port covers, and charging handles without modification.
- Type III Hardcoat Anodizing: Provides a deep black, non-reflective finish that protects against the elements and harsh cleaning solvents.
- Laser-Engraved T-Marks: The top Picatinny rail includes etched numbering for consistent and repeatable optic/accessory placement.
- American Craftsmanship: Entirely sourced and manufactured in the USA with strict adherence to quality and tolerances.
Product Specifications
- Brand: One Horse (One Horse Armory)
- Model: A3 Stripped Upper Receiver
- Platform: AR-15 / M4 / M16
- Material: Forged 7075-T6 Aluminum
- Finish: Black Type III Hardcoat Anodized
- Upper Style: Flat Top (A3)
- Feed Ramps: M4 Style
- Weight: 0.44 lbs (7.0 oz)
- MPN: OHUR02 / OH-UR02
- UPC: 850078799043