AeroPrecision167529071
Atlas S-One 9'' Handguard M-Lok Free Float For Ar-15 Fde$194.99
Availability: In Stock
Current Stock: Out of stock
The Aero Precision Atlas S-One 9" handguard is a lightweight M-LOK free-float rail built for AR-15 shooters who want to shed weight without sacrificing strength or mounting versatility. Machined from 6061-T6 aluminum, this 9.3-inch handguard tips the scales at just 5.47 ounces—ideal for hunters, competition shooters, and anyone building a trim, nimble rifle. The slim profile pairs with Aero's proprietary ATLAS (Aero Taper Lock Attachment System) to deliver rock-solid stability and positive indexing during installation, all without the handguard distortion you sometimes see with conventional clamping.
The ATLAS mounting system uses mirrored tapered locking nuts and a custom-engineered barrel nut to distribute clamping pressure evenly across the handguard. A ratcheting detent adds another layer of security, and all necessary hardware is included—no hunting for aftermarket parts. The 9" length works well as a mid-length option on carbine-profile builds, giving you plenty of real estate for optics, lights, slings, and other gear without excessive overhang past the muzzle.
M-LOK slots run the length of the rail for tool-free accessory mounting, while front and rear picatinny sections give you traditional rail space where you need it most. Quick disconnect sling sockets at the 3, 6, and 9 o'clock positions let you configure your carry setup however you prefer. The center-top rail has been eliminated to save weight, and indexing grooves at 12 o'clock provide positive grip control. This handguard is compatible with mil-spec AR-15 upper receivers and barrels, as well as Aero's M4E1 Threaded Upper Receiver, though it won't fit M4E1 Enhanced Upper Receivers. It also plays nicely with low-profile gas blocks, so you can keep your rifle tight and refined.
| Brand | Aero Precision |
| Product | Atlas S-One Handguard |
| Length (Actual) | 9.3 inches |
| Profile | M-LOK |
| Material | 6061-T6 Aluminum |
| Handguard Weight | 5.47 oz |
| Mounting Hardware Weight | 1.9 oz |
| Inside Diameter | 1.3 inches |
| Outside Diameter | 1.5 inches |
| Finish | Black |
| Mounting System | ATLAS (Aero Taper Lock Attachment System) |
| Hardware Included | Yes, all parts included |
The Atlas S-One 9" is compatible with mil-spec AR-15 upper receivers and barrels, as well as Aero Precision's M4E1 Threaded Upper Receiver. However, it is NOT compatible with M4E1 Enhanced Upper Receivers due to indexing tabs. If you're unsure about your upper receiver, measure your barrel diameter and check the receiver indexing before ordering.
All mounting hardware for the ATLAS system is included—the custom barrel nut, tapered locking nuts, turnbuckle screw, and detent. You don't need to source additional hardware to install it on your rifle.
Yes, the Atlas S-One 9" is designed to work with low-profile gas blocks, so you can keep your setup compact and streamlined.
The ATLAS system uses two mirrored tapered locking nuts that apply even clamping pressure across a custom-engineered barrel nut via a turnbuckle screw. A ratcheting detent adds positive registration during installation. This even-pressure design avoids the handguard distortion that can occur with conventional mounting systems.
SKU: 167527383 • Weight: 1.09oz
Availability: In Stock
Current Stock: Out of stock
The Aero Precision Atlas S-One 9" handguard is a lightweight M-LOK free-float rail built for AR-15 shooters who want to shed weight without sacrificing strength or mounting versatility. Machined from 6061-T6 aluminum, this 9.3-inch handguard tips the scales at just 5.47 ounces—ideal for hunters, competition shooters, and anyone building a trim, nimble rifle. The slim profile pairs with Aero's proprietary ATLAS (Aero Taper Lock Attachment System) to deliver rock-solid stability and positive indexing during installation, all without the handguard distortion you sometimes see with conventional clamping.
The ATLAS mounting system uses mirrored tapered locking nuts and a custom-engineered barrel nut to distribute clamping pressure evenly across the handguard. A ratcheting detent adds another layer of security, and all necessary hardware is included—no hunting for aftermarket parts. The 9" length works well as a mid-length option on carbine-profile builds, giving you plenty of real estate for optics, lights, slings, and other gear without excessive overhang past the muzzle.
M-LOK slots run the length of the rail for tool-free accessory mounting, while front and rear picatinny sections give you traditional rail space where you need it most. Quick disconnect sling sockets at the 3, 6, and 9 o'clock positions let you configure your carry setup however you prefer. The center-top rail has been eliminated to save weight, and indexing grooves at 12 o'clock provide positive grip control. This handguard is compatible with mil-spec AR-15 upper receivers and barrels, as well as Aero's M4E1 Threaded Upper Receiver, though it won't fit M4E1 Enhanced Upper Receivers. It also plays nicely with low-profile gas blocks, so you can keep your rifle tight and refined.
| Brand | Aero Precision |
| Product | Atlas S-One Handguard |
| Length (Actual) | 9.3 inches |
| Profile | M-LOK |
| Material | 6061-T6 Aluminum |
| Handguard Weight | 5.47 oz |
| Mounting Hardware Weight | 1.9 oz |
| Inside Diameter | 1.3 inches |
| Outside Diameter | 1.5 inches |
| Finish | Black |
| Mounting System | ATLAS (Aero Taper Lock Attachment System) |
| Hardware Included | Yes, all parts included |
The Atlas S-One 9" is compatible with mil-spec AR-15 upper receivers and barrels, as well as Aero Precision's M4E1 Threaded Upper Receiver. However, it is NOT compatible with M4E1 Enhanced Upper Receivers due to indexing tabs. If you're unsure about your upper receiver, measure your barrel diameter and check the receiver indexing before ordering.
All mounting hardware for the ATLAS system is included—the custom barrel nut, tapered locking nuts, turnbuckle screw, and detent. You don't need to source additional hardware to install it on your rifle.
Yes, the Atlas S-One 9" is designed to work with low-profile gas blocks, so you can keep your setup compact and streamlined.
The ATLAS system uses two mirrored tapered locking nuts that apply even clamping pressure across a custom-engineered barrel nut via a turnbuckle screw. A ratcheting detent adds positive registration during installation. This even-pressure design avoids the handguard distortion that can occur with conventional mounting systems.
SKU: 167527383 • Weight: 1.09oz