AeroPrecision167527074
M5 (.308) Atlas S-One 12.7'' Handguard M-Lok For Ar-308 Odg$199.99
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Availability: In Stock
Current Stock: Out of stock
The Aero Precision M5 Atlas R-One 12.7" Handguard in M-Lok for AR-308 is a lightweight, precision-engineered rail system built for shooters who demand a slim, manageable forend without sacrificing strength. Machined from 6061-T6 aluminum and purpose-built for .308 AR-platform rifles, the R-One uses Aero's proprietary Aero Taper Lock Attachment System (ATLAS)—a clamping design that distributes pressure evenly across a custom barrel nut, eliminating the handguard distortion that can happen during installation. At just 8.79 oz, this 12.7-inch model strikes a balance between a compact footprint and real estate for mounting optics, lights, and other field gear.
The ATLAS mounting system pairs two mirrored tapered locking nuts with a turnbuckle screw and ratcheting detent for positive registration and rock-solid stability. All hardware is included—no need to hunt down proprietary bits. The handguard features a full top picatinny rail for optics mounts or iron sights, and quick-disconnect socket provisions at the 3, 6, and 9 o'clock positions for versatile sling attachment. Its 1.3-inch bore and 1.5-inch outer diameter are compatible with low-profile gas blocks and standard AR-308 uppers and barrels, making it a straightforward swap into an existing .308 build or a solid starting point for a new one.
The ODG (Olive Drab Green) finish pairs the practicality of a working tool with the aesthetics of field-proven gear. This is a handguard that respects both weight-conscious builds and the need for a rigid, dependable mounting platform—the kind of no-nonsense engineering Aero Precision has built a reputation on.
| Brand | Aero Precision |
| Product | M5 Atlas R-One Handguard |
| Caliber/Platform | AR-308 (.308) |
| Length | 12.7 inches |
| Mounting System | ATLAS (Aero Taper Lock Attachment System) |
| Rail Type | M-Lok, Full Top Picatinny |
| Material | 6061-T6 Aluminum |
| Handguard Weight | 8.79 oz |
| Mounting Hardware Weight | 4.72 oz |
| Inside Diameter | 1.3 inches |
| Outside Diameter | 1.5 inches |
| Finish | Olive Drab Green (ODG) |
Yes, the R-One is designed to work with AR-308 upper receivers and barrels. Note that it is NOT compatible with M5E1 Enhanced Upper Receivers due to indexing tab differences, though it works seamlessly with M5E1 Threaded Upper Receivers.
All hardware necessary for installation is included: the mirrored tapered locking nuts, turnbuckle screw, barrel nut, and ratcheting detent. A standard armorer's wrench is required for installation but is not included.
Yes, the R-One is designed to work with low-profile gas blocks.
The 12.7-inch handguard weighs 8.79 oz, making it ideal for lightweight and compact .308 builds. The mounting hardware adds 4.72 oz.
SKU: 167527076 • Weight: 2oz
Availability: In Stock
Current Stock: Out of stock
The Aero Precision M5 Atlas R-One 12.7" Handguard in M-Lok for AR-308 is a lightweight, precision-engineered rail system built for shooters who demand a slim, manageable forend without sacrificing strength. Machined from 6061-T6 aluminum and purpose-built for .308 AR-platform rifles, the R-One uses Aero's proprietary Aero Taper Lock Attachment System (ATLAS)—a clamping design that distributes pressure evenly across a custom barrel nut, eliminating the handguard distortion that can happen during installation. At just 8.79 oz, this 12.7-inch model strikes a balance between a compact footprint and real estate for mounting optics, lights, and other field gear.
The ATLAS mounting system pairs two mirrored tapered locking nuts with a turnbuckle screw and ratcheting detent for positive registration and rock-solid stability. All hardware is included—no need to hunt down proprietary bits. The handguard features a full top picatinny rail for optics mounts or iron sights, and quick-disconnect socket provisions at the 3, 6, and 9 o'clock positions for versatile sling attachment. Its 1.3-inch bore and 1.5-inch outer diameter are compatible with low-profile gas blocks and standard AR-308 uppers and barrels, making it a straightforward swap into an existing .308 build or a solid starting point for a new one.
The ODG (Olive Drab Green) finish pairs the practicality of a working tool with the aesthetics of field-proven gear. This is a handguard that respects both weight-conscious builds and the need for a rigid, dependable mounting platform—the kind of no-nonsense engineering Aero Precision has built a reputation on.
| Brand | Aero Precision |
| Product | M5 Atlas R-One Handguard |
| Caliber/Platform | AR-308 (.308) |
| Length | 12.7 inches |
| Mounting System | ATLAS (Aero Taper Lock Attachment System) |
| Rail Type | M-Lok, Full Top Picatinny |
| Material | 6061-T6 Aluminum |
| Handguard Weight | 8.79 oz |
| Mounting Hardware Weight | 4.72 oz |
| Inside Diameter | 1.3 inches |
| Outside Diameter | 1.5 inches |
| Finish | Olive Drab Green (ODG) |
Yes, the R-One is designed to work with AR-308 upper receivers and barrels. Note that it is NOT compatible with M5E1 Enhanced Upper Receivers due to indexing tab differences, though it works seamlessly with M5E1 Threaded Upper Receivers.
All hardware necessary for installation is included: the mirrored tapered locking nuts, turnbuckle screw, barrel nut, and ratcheting detent. A standard armorer's wrench is required for installation but is not included.
Yes, the R-One is designed to work with low-profile gas blocks.
The 12.7-inch handguard weighs 8.79 oz, making it ideal for lightweight and compact .308 builds. The mounting hardware adds 4.72 oz.
SKU: 167527076 • Weight: 2oz