M5 (.308) Atlas R-One 15'' Handguard M-Lok For Ar-308 Clear

The Aero Precision M5 Atlas R-One 15" handguard in M-Lok is built for AR-308 shooters who want a lightweight, modular rail system without compromise. This clear anodized handguard weighs just 9.07 oz and uses Aero's proprietary Aero Taper Lock Attachment (ATLAS) system—a clever mirrored-nut design that distributes clamping pressure evenly across a custom barrel nut, eliminating the handguard distortion you sometimes see with traditional setups. The result is a solid, indexed platform that's easy to install and stays put.

The R-One 15" is built around the M-Lok slot standard, giving you genuine modularity: a full-length top Picatinny rail for optics or accessories, plus quick-disconnect sling sockets at the 3, 6, and 9 o'clock positions. At 1.3" inner diameter and 1.5" outer diameter, it's compatible with low-profile gas blocks and standard mil-spec AR-15 barrels and upper receivers—though Aero notes it's not compatible with their M4E1 Enhanced Upper Receiver design. All mounting hardware (1.9 oz) ships with the handguard, so there's no hunting for parts.

The clear anodize finish is where this handguard stands out visually. Unlike black anodize, clear coat on 6000-series aluminum takes on a slate-grey hue that's become something of a collector's preference—and it makes an excellent canvas for a rattle-can finish if you're building a custom look. Fair warning: the lighter finish will show tool marks and handling marks more visibly than black anodize would, but Aero guarantees the part is in-spec and fully functional. This is a working upgrade, not just eye candy.

Key Features

• Lightweight M-Lok handguard at 9.07 oz with full-length top Picatinny rail
• Aero Taper Lock Attachment (ATLAS) system for even clamping pressure and precise indexing
• Quick-disconnect sling sockets at 3, 6, and 9 o'clock positions
• Low-profile gas block compatible
• Clear anodize Type 3 hard coat finish with distinctive slate-grey appearance
• All mounting hardware included; no additional barrel nut needed

Specifications

Frequently Asked Questions

Will this handguard fit my AR-308 upper receiver?

Yes—the R-One is compatible with mil-spec AR-15 upper receivers and barrels, which includes standard AR-308 platforms. However, it is not compatible with Aero's M4E1 Enhanced Upper Receiver due to indexing tab design.

Does this come with the barrel nut and mounting hardware?

Yes. All hardware needed for the ATLAS attachment system is included with purchase. The custom engineered barrel nut, mirrored tapered locking nuts, and turnbuckle screw ship with the handguard.

What's the difference between this clear anodize finish and black anodize?

The clear anodize is a Type 3 hard coat finish applied without dye. On 6000-series aluminum (like this handguard), it produces a slate-grey color rather than true clear. It's lighter than black anodize and shows handling marks more visibly, but it's durable and makes an excellent base for custom finishes. Color variance is normal and doesn't affect function.

Can I use this with a low-profile gas block?

Yes—the R-One is specifically designed to be compatible with low-profile gas blocks.