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Availability: In Stock
Current Stock: Out of stock
The Aero Precision 15" Atlas R-One M-LOK handguard is a lightweight, modular forend built for AR-10 and M5 platform rifles where weight and modularity matter. Machined from 6061-T6 aluminum and finished in black anodize, the R-One balances a slim, ergonomic profile with the strength Aero Precision is known for—without the bulk. Whether you're building a long-range hunter, a lightweight tactical rifle, or a precision target gun, this handguard gives you a solid foundation for rails, optics, and accessories.
The R-One uses Aero's proprietary Atlas Taper Lock Attachment System (ATLAS): a mirrored pair of tapered locking nuts and a turnbuckle screw that distribute clamping pressure evenly across a custom-engineered barrel nut. A ratcheting detent locks everything in place with positive registration, eliminating the handguard distortion that can happen with less refined mounting systems. Installation is straightforward—all hardware is included, though you'll need a standard armorer's wrench to tighten it down.
Modularity is built in. The full-length top Picatinny rail runs the entire length, letting you mount optics, lights, or laser systems wherever you need them. Quick-disconnect sling sockets are positioned at 3, 6, and 9 o'clock, so you can attach your sling from the angle that works best for your shooting style. The 1.3-inch inner diameter and 1.5-inch outer diameter are optimized for low-profile gas blocks, keeping the sight line clean and the build balanced.
At 10.6 ounces plus 4.72 ounces of mounting hardware, the 15" R-One is engineered for weight-conscious builds without sacrificing rigidity or usable rail space. It's designed to mate seamlessly with Aero's M5E1 threaded upper receivers; compatibility with billet uppers depends on indexing-tab fit, so verify your upper before ordering.
| Brand | Aero Precision |
| Model | Atlas R-One M-LOK |
| Length | 15" |
| Material | 6061-T6 Aluminum |
| Finish | Black Anodized |
| Mounting System | ATLAS Taper Lock Attachment System |
| Handguard Weight | 10.6 oz |
| Hardware Weight | 4.72 oz |
| Interior Diameter | 1.3" |
| Exterior Diameter | 1.5" |
| Top Rail | Full-length Picatinny |
| Slot System | M-LOK |
| Sling Mounts | QD sockets at 3, 6, 9 o'clock |
| Platform Compatibility | M5/AR-10 |
The 15" Atlas R-One is designed to work with Aero Precision M5E1 threaded upper receivers. However, it may not be compatible with billet upper receivers due to indexing tabs, so verify your upper before purchase.
The handguard comes with all mounting hardware needed for installation. You will need to supply your own standard armorer's wrench to tighten the ATLAS system; the wrench is not included.
Yes, the 15" Atlas R-One is designed to be compatible with low-profile gas blocks.
The ATLAS (Aero Taper Lock Attachment System) uses a pair of mirrored tapered locking nuts and a turnbuckle screw to distribute clamping pressure evenly across the barrel nut. A ratcheting detent provides positive registration during installation and eliminates handguard distortion that can occur with traditional mounting methods.
SKU: 115649697 • Width: 2.8in • Height: 2.4in • Depth: 20.5in • Weight: 1.25oz
Availability: In Stock
Current Stock: Out of stock
The Aero Precision 15" Atlas R-One M-LOK handguard is a lightweight, modular forend built for AR-10 and M5 platform rifles where weight and modularity matter. Machined from 6061-T6 aluminum and finished in black anodize, the R-One balances a slim, ergonomic profile with the strength Aero Precision is known for—without the bulk. Whether you're building a long-range hunter, a lightweight tactical rifle, or a precision target gun, this handguard gives you a solid foundation for rails, optics, and accessories.
The R-One uses Aero's proprietary Atlas Taper Lock Attachment System (ATLAS): a mirrored pair of tapered locking nuts and a turnbuckle screw that distribute clamping pressure evenly across a custom-engineered barrel nut. A ratcheting detent locks everything in place with positive registration, eliminating the handguard distortion that can happen with less refined mounting systems. Installation is straightforward—all hardware is included, though you'll need a standard armorer's wrench to tighten it down.
Modularity is built in. The full-length top Picatinny rail runs the entire length, letting you mount optics, lights, or laser systems wherever you need them. Quick-disconnect sling sockets are positioned at 3, 6, and 9 o'clock, so you can attach your sling from the angle that works best for your shooting style. The 1.3-inch inner diameter and 1.5-inch outer diameter are optimized for low-profile gas blocks, keeping the sight line clean and the build balanced.
At 10.6 ounces plus 4.72 ounces of mounting hardware, the 15" R-One is engineered for weight-conscious builds without sacrificing rigidity or usable rail space. It's designed to mate seamlessly with Aero's M5E1 threaded upper receivers; compatibility with billet uppers depends on indexing-tab fit, so verify your upper before ordering.
| Brand | Aero Precision |
| Model | Atlas R-One M-LOK |
| Length | 15" |
| Material | 6061-T6 Aluminum |
| Finish | Black Anodized |
| Mounting System | ATLAS Taper Lock Attachment System |
| Handguard Weight | 10.6 oz |
| Hardware Weight | 4.72 oz |
| Interior Diameter | 1.3" |
| Exterior Diameter | 1.5" |
| Top Rail | Full-length Picatinny |
| Slot System | M-LOK |
| Sling Mounts | QD sockets at 3, 6, 9 o'clock |
| Platform Compatibility | M5/AR-10 |
The 15" Atlas R-One is designed to work with Aero Precision M5E1 threaded upper receivers. However, it may not be compatible with billet upper receivers due to indexing tabs, so verify your upper before purchase.
The handguard comes with all mounting hardware needed for installation. You will need to supply your own standard armorer's wrench to tighten the ATLAS system; the wrench is not included.
Yes, the 15" Atlas R-One is designed to be compatible with low-profile gas blocks.
The ATLAS (Aero Taper Lock Attachment System) uses a pair of mirrored tapered locking nuts and a turnbuckle screw to distribute clamping pressure evenly across the barrel nut. A ratcheting detent provides positive registration during installation and eliminates handguard distortion that can occur with traditional mounting methods.
SKU: 115649697 • Width: 2.8in • Height: 2.4in • Depth: 20.5in • Weight: 1.25oz