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AeroPrecision
The Aero Precision Atlas R-One 16.6" handguard in FDE with M-LOK mounting is built for shooters who want a free-floating rail that keeps weight off the front end without compromising strength. Machined from 6061-T6 aluminum, this mid-length handguard uses Aero's proprietary ATLAS (Aero Taper Lock Attachment System) to clamp securely to your AR-15 with even pressure across the barrel nut—no twisting, no distortion, no guesswork. If you're building a lightweight rifle for hunting, precision shooting, or competition, the Atlas R-One delivers a slim, durable platform that plays well with both mil-spec and Aero's own upper receivers.
The 16.6" length (measuring approximately 15" of rail) gives you real estate for optics, lights, and accessories without the bulk of a full-length handguard. The integrated top picatinny rail is always there when you need it, and the M-LOK slots along the sides and bottom accept a huge ecosystem of third-party gear—sling mounts, rail sections, cable management—so you build exactly what you need. Quick-disconnect sling attachment points at 3, 6, and 9 o'clock mean you can sling your rifle your way. Low-profile gas blocks fit clean underneath, keeping the lines tight and the weight honest.
All mounting hardware comes in the box, so you're ready to install out of the gate. The FDE finish matches modern AR builds and hides salt and dust better than raw aluminum. This is the handguard for shooters who sweat the details—the ones who know that a lighter, stiffer platform shoots flatter and tracks faster, and who trust Aero's reputation for precision machining and fit.
| Brand | Aero Precision |
| Product Line | Atlas R-One |
| Length | 16.6" |
| Mounting System | ATLAS (Aero Taper Lock Attachment System) |
| Mounting Type | M-LOK |
| Material | 6061-T6 Aluminum |
| Inside Diameter | 1.3" |
| Outside Diameter | 1.5" |
| Finish | FDE (Flat Dark Earth) |
| Compatibility | Mil-spec AR-15 upper receivers and barrels; Aero M4E1 Threaded Upper Receivers |
| Weight | 9.07 oz (handguard only, M-LOK configuration at 15" length) |
| Handguard Hardware Weight | 4.72 oz |
The Atlas R-One is compatible with mil-spec AR-15 upper receivers and barrels. It's designed to fit Aero Precision's M4E1 Threaded Upper Receivers seamlessly. However, it may not be compatible with billet upper receivers due to indexing tabs, so confirm your upper's specs before ordering.
The handguard features M-LOK slots along the 12, 3, 6, and 9 o'clock positions, so it works with any M-LOK-compatible accessories. The full-length top picatinny rail accepts standard picatinny attachments. Quick-disconnect sling sockets are pre-installed at 3, 6, and 9 o'clock for easy sling mounting.
All mounting hardware needed for installation is included with the handguard, including the ATLAS barrel nut and clamping system.
The 16.6" Atlas R-One handguard weighs approximately 9.07 oz, and the mounting hardware adds 4.72 oz, for a total system weight of around 13.79 oz. This lightweight design is ideal for hunters and shooters building efficient, portable rifles.
AeroPrecision
The Aero Precision Atlas R-One 16.6" handguard in FDE with M-LOK mounting is built for shooters who want a free-floating rail that keeps weight off the front end without compromising strength. Machined from 6061-T6 aluminum, this mid-length handguard uses Aero's proprietary ATLAS (Aero Taper Lock Attachment System) to clamp securely to your AR-15 with even pressure across the barrel nut—no twisting, no distortion, no guesswork. If you're building a lightweight rifle for hunting, precision shooting, or competition, the Atlas R-One delivers a slim, durable platform that plays well with both mil-spec and Aero's own upper receivers.
The 16.6" length (measuring approximately 15" of rail) gives you real estate for optics, lights, and accessories without the bulk of a full-length handguard. The integrated top picatinny rail is always there when you need it, and the M-LOK slots along the sides and bottom accept a huge ecosystem of third-party gear—sling mounts, rail sections, cable management—so you build exactly what you need. Quick-disconnect sling attachment points at 3, 6, and 9 o'clock mean you can sling your rifle your way. Low-profile gas blocks fit clean underneath, keeping the lines tight and the weight honest.
All mounting hardware comes in the box, so you're ready to install out of the gate. The FDE finish matches modern AR builds and hides salt and dust better than raw aluminum. This is the handguard for shooters who sweat the details—the ones who know that a lighter, stiffer platform shoots flatter and tracks faster, and who trust Aero's reputation for precision machining and fit.
| Brand | Aero Precision |
| Product Line | Atlas R-One |
| Length | 16.6" |
| Mounting System | ATLAS (Aero Taper Lock Attachment System) |
| Mounting Type | M-LOK |
| Material | 6061-T6 Aluminum |
| Inside Diameter | 1.3" |
| Outside Diameter | 1.5" |
| Finish | FDE (Flat Dark Earth) |
| Compatibility | Mil-spec AR-15 upper receivers and barrels; Aero M4E1 Threaded Upper Receivers |
| Weight | 9.07 oz (handguard only, M-LOK configuration at 15" length) |
| Handguard Hardware Weight | 4.72 oz |
The Atlas R-One is compatible with mil-spec AR-15 upper receivers and barrels. It's designed to fit Aero Precision's M4E1 Threaded Upper Receivers seamlessly. However, it may not be compatible with billet upper receivers due to indexing tabs, so confirm your upper's specs before ordering.
The handguard features M-LOK slots along the 12, 3, 6, and 9 o'clock positions, so it works with any M-LOK-compatible accessories. The full-length top picatinny rail accepts standard picatinny attachments. Quick-disconnect sling sockets are pre-installed at 3, 6, and 9 o'clock for easy sling mounting.
All mounting hardware needed for installation is included with the handguard, including the ATLAS barrel nut and clamping system.
The 16.6" Atlas R-One handguard weighs approximately 9.07 oz, and the mounting hardware adds 4.72 oz, for a total system weight of around 13.79 oz. This lightweight design is ideal for hunters and shooters building efficient, portable rifles.
