AeroPrecision167529099
Atlas R-One 12.7'' Handguard M-Lok Free Float For Ar-15 Fde$209.99
Availability: In Stock
Current Stock: Out of stock
The Aero Precision Atlas R-One 7" handguard in M-LOK is a lightweight free-float option designed to keep your AR-15 build lean and responsive without sacrificing strength or modularity. Machined from 6061-T6 aluminum, the R-One delivers the weight savings you want for a carbine you'll actually carry—at just 5.22 ounces plus mounting hardware, it's one of the slimmest rails in Aero's lineup. Whether you're building a hunting rifle, a competition carbine, or a do-it-all fighting gun, this handguard balances minimalism with the durability Aero Precision is known for.
The signature feature here is Aero's proprietary ATLAS (Aero Taper Lock Attachment System). Instead of the typical single clamp that can distort or torque a handguard during installation, ATLAS uses mirrored tapered locking nuts that apply even clamping pressure across a custom barrel nut via a turnbuckle screw. A ratcheting detent locks it in place and ensures proper registration—meaning your handguard stays true and your zero stays put. All mounting hardware is included, and installation is straightforward if you follow the spec.
The 7" length keeps your hands close to the action, perfect if you prefer a compact profile or plan to use longer rail accessories on your upper receiver. M-LOK slots run along the handguard for mounting lights, grips, sling attachments, and other gear. You'll also find a full-length Picatinny rail on top, quick-disconnect sling sockets at 3, 6, and 9 o'clock, and a 1.3" inside diameter that clears low-profile gas blocks. The FDE finish complements Aero's M4E1 Threaded Upper Receiver and works with any mil-spec AR-15 upper and barrel—just note that billet uppers may have compatibility issues due to indexing tabs.
| Brand | Aero Precision |
| Product | Atlas R-One Handguard, 7" |
| Attachment System | ATLAS (Aero Taper Lock Attachment System) |
| Material | 6061-T6 Aluminum |
| Length | 7" |
| Mounting Profile | M-LOK |
| Color/Finish | FDE (Flat Dark Earth) |
| Inside Diameter | 1.3" |
| Outside Diameter | 1.5" |
| Handguard Weight | 5.22 oz |
| Mounting Hardware Weight | 4.72 oz |
| Compatibility | Mil-spec AR-15 upper receivers and barrels; low-profile gas blocks; Aero M4E1 Threaded Uppers |
| Top Rail | Full-length Picatinny |
| Sling Mounts | Quick-disconnect sockets at 3, 6, 9 o'clock |
| Hardware Included | Yes, all ATLAS mounting hardware |
The Atlas R-One is compatible with any mil-spec AR-15 upper receiver and barrel. However, billet uppers may not be compatible due to indexing tabs built into the ATLAS system. If you're using an Aero M4E1 Threaded Upper, fit and finish are seamless.
Yes. The handguard has a 1.3" inside diameter, which is designed to clear low-profile gas blocks without interference.
All ATLAS mounting hardware is included—the custom barrel nut, tapered locking nuts, turnbuckle screw, and ratcheting detent. You don't need to source any additional hardware for installation.
The handguard alone weighs 5.22 ounces. The complete ATLAS mounting hardware weighs an additional 4.72 ounces, for a total of approximately 9.94 ounces as an assembled system.
SKU: 167526564 • Weight: 1.06oz
Availability: In Stock
Current Stock: Out of stock
The Aero Precision Atlas R-One 7" handguard in M-LOK is a lightweight free-float option designed to keep your AR-15 build lean and responsive without sacrificing strength or modularity. Machined from 6061-T6 aluminum, the R-One delivers the weight savings you want for a carbine you'll actually carry—at just 5.22 ounces plus mounting hardware, it's one of the slimmest rails in Aero's lineup. Whether you're building a hunting rifle, a competition carbine, or a do-it-all fighting gun, this handguard balances minimalism with the durability Aero Precision is known for.
The signature feature here is Aero's proprietary ATLAS (Aero Taper Lock Attachment System). Instead of the typical single clamp that can distort or torque a handguard during installation, ATLAS uses mirrored tapered locking nuts that apply even clamping pressure across a custom barrel nut via a turnbuckle screw. A ratcheting detent locks it in place and ensures proper registration—meaning your handguard stays true and your zero stays put. All mounting hardware is included, and installation is straightforward if you follow the spec.
The 7" length keeps your hands close to the action, perfect if you prefer a compact profile or plan to use longer rail accessories on your upper receiver. M-LOK slots run along the handguard for mounting lights, grips, sling attachments, and other gear. You'll also find a full-length Picatinny rail on top, quick-disconnect sling sockets at 3, 6, and 9 o'clock, and a 1.3" inside diameter that clears low-profile gas blocks. The FDE finish complements Aero's M4E1 Threaded Upper Receiver and works with any mil-spec AR-15 upper and barrel—just note that billet uppers may have compatibility issues due to indexing tabs.
| Brand | Aero Precision |
| Product | Atlas R-One Handguard, 7" |
| Attachment System | ATLAS (Aero Taper Lock Attachment System) |
| Material | 6061-T6 Aluminum |
| Length | 7" |
| Mounting Profile | M-LOK |
| Color/Finish | FDE (Flat Dark Earth) |
| Inside Diameter | 1.3" |
| Outside Diameter | 1.5" |
| Handguard Weight | 5.22 oz |
| Mounting Hardware Weight | 4.72 oz |
| Compatibility | Mil-spec AR-15 upper receivers and barrels; low-profile gas blocks; Aero M4E1 Threaded Uppers |
| Top Rail | Full-length Picatinny |
| Sling Mounts | Quick-disconnect sockets at 3, 6, 9 o'clock |
| Hardware Included | Yes, all ATLAS mounting hardware |
The Atlas R-One is compatible with any mil-spec AR-15 upper receiver and barrel. However, billet uppers may not be compatible due to indexing tabs built into the ATLAS system. If you're using an Aero M4E1 Threaded Upper, fit and finish are seamless.
Yes. The handguard has a 1.3" inside diameter, which is designed to clear low-profile gas blocks without interference.
All ATLAS mounting hardware is included—the custom barrel nut, tapered locking nuts, turnbuckle screw, and ratcheting detent. You don't need to source any additional hardware for installation.
The handguard alone weighs 5.22 ounces. The complete ATLAS mounting hardware weighs an additional 4.72 ounces, for a total of approximately 9.94 ounces as an assembled system.
SKU: 167526564 • Weight: 1.06oz