Aero Precision M4E1-T 10.3" ATLAS R-ONE M-LOK Handguard Combo | OD Green Anodized

Aero Precision M4E1-T 10.3″ ATLAS R-ONE M-LOK Handguard Combo | OD Green Anodized

NOTE: This product features a colored anodized finish. Due to the nature of anodizing, color shades may vary from part to part and may not perfectly match other OD Green components. Variations in tone are normal and not considered a defect. For more information, please visit the Aero Precision Knowledge Center.

Compact, Durable, and Color-Matched for Custom AR15 Builds

The Aero Precision M4E1-T 10.3″ ATLAS R-ONE M-LOK Handguard Combo in OD Green Anodized is an excellent foundation for your AR15 or M4E1 build. This combo delivers seamless Aero Precision component compatibility, high-quality construction, and a distinctive OD Green finish. Built around the ATLAS R-ONE Handguard and M4E1 Threaded Assembled Upper Receiver, this package combines strength, balance, and precision for your next compact or tactical rifle build.

Handguard Combo Includes

• M4E1 Threaded Assembled Upper Receiver – OD Green Anodized
• 10.3″ ATLAS R-ONE M-LOK Handguard – OD Green Anodized
• Barrel nut and mounting hardware

ATLAS R-ONE Handguard

The Aero Precision ATLAS R-ONE Handguard is engineered for shooters who value rigidity, lightweight design, and modular capability. Featuring the Aero Taper Lock Attachment System (ATLAS), it uses two mirrored tapered locking nuts to evenly distribute pressure across a custom-engineered barrel nut via a turnbuckle screw. A ratcheting detent ensures secure, repeatable installation and prevents movement under recoil.

This system minimizes distortion during installation and provides long-term structural integrity while maintaining a slim, modern profile ideal for AR15 builds.

• Continuous top Picatinny rail for uninterrupted accessory mounting
• Integrated QD sling sockets at 3, 6, and 9 o’clock positions
• Compatible with low-profile gas blocks
• Internal Diameter: 1.3″ | External Diameter: 1.5″
• Material: 6061-T6 Aluminum
• Finish: Type III Class 2 Hardcoat Anodized – OD Green
• Compatible with Mil-Spec AR15 upper receivers and barrels

M4E1-T Assembled Upper Receiver

The Aero Precision M4E1 Threaded Assembled Upper Receiver includes the port door and forward assist pre-installed for fast, easy assembly. Forged from 7075-T6 aluminum and machined to Mil-Spec standards, this receiver ensures precise alignment and reliable performance. When paired with an Aero M4E1 lower receiver, it delivers an exact, stable fit for professional-grade AR builds.

• M4 feed ramps for improved feeding reliability
• .250” takedown pin holes for Mil-Spec compatibility
• Laser-engraved T-marks for precise optic alignment
• Includes port door and forward assist

Compatibility & Notes

• Compatible with Aero Precision M4E1 lower receivers and Mil-Spec AR15 components
• Not compatible with Aero M4E1 Enhanced Upper Receivers
• Handguard fits Mil-Spec AR15 barrels and low-profile gas blocks
• Recommended for compact AR builds, AR pistols, and SBR configurations

Precision, Strength, and a Distinctive OD Green Finish

The Aero Precision M4E1-T 10.3″ ATLAS R-ONE M-LOK Handguard Combo combines lightweight performance, modern ergonomics, and rugged anodized protection. Perfect for compact tactical rifles, personal defense builds, or custom color-matched projects, this combo provides Aero Precision’s trademark reliability and style — finished in eye-catching OD Green.