Give your next AR-15 build a premium upgrade with the Aero Precision M4E1 Upper Receiver Set featuring a 16.5" ATLAS R-ONE M-LOK Handguard, professionally finished in Flat Dark Earth (FDE) Cerakote. Combining Aero Precision's industry-leading quality with the durability of Cerakote, this upper receiver set is built for shooters who demand reliability, lightweight performance, and exceptional looks.
The forged M4E1 Threaded Upper Receiver provides increased strength and simplified assembly while maintaining compatibility with standard mil-spec AR-15 components. Paired with Aero Precision's lightweight 16.5" ATLAS R-ONE free-float handguard, this receiver set offers maximum rigidity, outstanding ergonomics, and ample M-LOK mounting space for today's most popular accessories.
Professionally coated in Flat Dark Earth Cerakote, this receiver set offers outstanding resistance to scratches, corrosion, solvents, and harsh environmental conditions while providing a clean tactical appearance that complements virtually any AR-15 build.
Features
Genuine Aero Precision M4E1 Threaded Upper Receiver
Aero Precision 16.5" ATLAS R-ONE Free-Float M-LOK Handguard
Professional Flat Dark Earth (FDE) Cerakote Finish
Forged 7075-T6 Aluminum Construction
Lightweight Free-Float Design
Full-Length Picatinny Top Rail
M-LOK Attachment System at 3, 6, and 9 O'clock Positions
Slim Ergonomic Handguard Profile
Precision CNC Machined
Compatible with Standard Mil-Spec AR-15 Components
Benefits
Lightweight design improves balance and handling
Free-float handguard helps maximize barrel accuracy potential
Full-length Picatinny rail for optics, backup sights, and accessories
M-LOK compatibility for lights, lasers, bipods, grips, and slings
Durable Cerakote finish protects against wear, corrosion, and chemicals
Perfect foundation for a premium custom AR-15 build
Specifications
Manufacturer: Aero Precision
Model: M4E1 Threaded Upper Receiver Set
Receiver Material: Forged 7075-T6 Aluminum
Handguard: 16.5" ATLAS R-ONE Free-Float M-LOK
Finish: Flat Dark Earth (FDE) Cerakote
Platform: AR-15
Rail: Full-Length Picatinny
Mounting System: M-LOK
Compatibility: Standard Mil-Spec AR-15 Barrels, Bolt Carrier Groups, and Lower Receivers
Ideal For
Custom AR-15 Builds
Precision Rifles
Tactical Carbines
Hunting Rifles
Competition Firearms
Recreational Range Use
Whether you're assembling a precision rifle or a hard-use tactical carbine, the Aero Precision M4E1 Upper Receiver Set with the 16.5" ATLAS R-ONE Handguard provides the quality, performance, and durability that serious shooters expect. The Flat Dark Earth Cerakote finish adds lasting protection and a professional appearance that stands out on any build.
