Colt Assembled AR-15 Upper Receiver - Dust Cover and Forward Assist Installed (CTSP63528)
Build a true mil-spec AR-15 or M4 clone with the **Colt M4 Upper Receiver Assembly**. This factory Colt stripped upper receiver is forged from 7075-T6 aluminum, hardcoat anodized black, and includes the dust cover and forward assist already installed. It features M4 feed ramps and a flat top Picatinny rail for optics and backup sights, making it the perfect foundation for a reliable duty, training, or clone build.
Manufactured to Colt's exacting mil-spec standards, this upper offers proven reliability and excellent fit with standard AR-15 components. The forged construction and hardcoat anodizing provide outstanding strength and corrosion resistance for long-term durability in demanding conditions.
Key Features
- Forged 7075-T6 aluminum construction with hardcoat anodized black finish
- M4 feed ramps for reliable feeding with a variety of ammunition
- Includes installed dust cover and forward assist assembly
- Flat top Picatinny rail for optics and backup sights
- Factory Colt quality — true mil-spec dimensions and tolerances
- Perfect for building authentic M4-style or duty rifles
Specifications
- Manufacturer: Colt
- Model: M4 Upper Receiver Assembly
- Manufacturer Part Number: CTSP63528
- Material: Forged 7075-T6 Aluminum
- Finish: Hardcoat Anodized Black
- Feed Ramps: M4
- Includes: Dust Cover and Forward Assist
- Compatibility: Standard mil-spec AR-15 lowers and barrels
- UPC: Varies by retailer (confirm with inventory)
Whether you're building a mil-spec clone, a duty rifle, or a reliable training carbine, this Colt M4 upper receiver assembly delivers factory quality and proven performance. Pair it with your choice of barrel and handguard for a complete, high-quality upper.
Add this Colt M4 upper receiver assembly to your cart today and complete your AR-15 or M4 build with genuine Colt components!
