AeroPrecision167527074
M5 (.308) Atlas S-One 12.7'' Handguard M-Lok For Ar-308 Odg$199.99
Availability: In Stock
Current Stock: Out of stock
The Aero Precision M5 Atlas S-One 12.7" handguard with M-LOK is built for shooters who refuse to compromise between lightweight design and rock-solid performance on their AR-308 build. This slim-profile rail is machined from 6061-T6 aluminum and designed specifically for the M5 platform, making it an ideal choice for anyone assembling a precision .308 AR that demands minimal weight without sacrificing mounting capability or durability.
What sets the S-One apart is Aero's proprietary ATLAS (Aero Taper Lock Attachment System) — a thoughtfully engineered mounting solution that clamps evenly to your barrel nut using mirrored tapered locking nuts and a turnbuckle screw. That even pressure distribution eliminates the handguard distortion you see with traditional mounting methods, and a ratcheting detent ensures positive registration every time you install it. The system comes complete with all necessary hardware, though you'll need a standard armorer's wrench to tighten it down. At just 7.66 ounces for the 12.7" length, plus 4.72 ounces of mounting hardware, this handguard keeps your rifle nimble without cutting corners on structural integrity.
The M-LOK slots run the full length of the handguard, giving you unlimited accessory mounting options, while quick-disconnect sling sockets at 3, 6, and 9 o'clock positions let you rig your rifle however you shoot it. The eliminated center top rail further reduces weight while front and rear picatinny sections remain for optics and backup iron sights. Indexing grooves at 12 o'clock provide positive grip control when you need it most, and the 1.3" inside diameter accommodates low-profile gas blocks without interference. Made in the USA, this is the kind of handguard that works as hard as you do in the field or on the range.
| Platform | M5 Series |
| Caliber | .308 |
| Length | 12.7" |
| Material | 6061-T6 Aluminum |
| Handguard Weight | 7.66 oz |
| Mounting Hardware Weight | 4.72 oz |
| Inside Diameter | 1.3" |
| Outside Diameter | 1.5" |
| Attachment Type | ATLAS (Aero Taper Lock Attachment System) |
| Mounting Standard | M-LOK |
| Made in USA | Yes |
The S-One is designed for the M5 platform and compatible with mil-spec AR-15 upper receivers and barrels. It is not compatible with M5E1 Enhanced Upper Receivers due to indexing tabs. Aero recommends these handguards for seamless fit with the M5E1 Threaded Upper Receivers, so verify your upper before purchasing.
All necessary hardware comes included with the handguard. You'll need a standard armorer's wrench to tighten the barrel nut and ATLAS attachment system, but this wrench is not included with purchase.
Yes. The S-One is designed to be compatible with low-profile gas blocks without interference.
The handguard comes with all mounting hardware necessary for installation, including the tapered locking nuts, turnbuckle screw, barrel nut, and detent assembly. You do not need to purchase additional hardware to mount it to your rifle.
SKU: 167528789 • Weight: 2oz
Availability: In Stock
Current Stock: Out of stock
The Aero Precision M5 Atlas S-One 12.7" handguard with M-LOK is built for shooters who refuse to compromise between lightweight design and rock-solid performance on their AR-308 build. This slim-profile rail is machined from 6061-T6 aluminum and designed specifically for the M5 platform, making it an ideal choice for anyone assembling a precision .308 AR that demands minimal weight without sacrificing mounting capability or durability.
What sets the S-One apart is Aero's proprietary ATLAS (Aero Taper Lock Attachment System) — a thoughtfully engineered mounting solution that clamps evenly to your barrel nut using mirrored tapered locking nuts and a turnbuckle screw. That even pressure distribution eliminates the handguard distortion you see with traditional mounting methods, and a ratcheting detent ensures positive registration every time you install it. The system comes complete with all necessary hardware, though you'll need a standard armorer's wrench to tighten it down. At just 7.66 ounces for the 12.7" length, plus 4.72 ounces of mounting hardware, this handguard keeps your rifle nimble without cutting corners on structural integrity.
The M-LOK slots run the full length of the handguard, giving you unlimited accessory mounting options, while quick-disconnect sling sockets at 3, 6, and 9 o'clock positions let you rig your rifle however you shoot it. The eliminated center top rail further reduces weight while front and rear picatinny sections remain for optics and backup iron sights. Indexing grooves at 12 o'clock provide positive grip control when you need it most, and the 1.3" inside diameter accommodates low-profile gas blocks without interference. Made in the USA, this is the kind of handguard that works as hard as you do in the field or on the range.
| Platform | M5 Series |
| Caliber | .308 |
| Length | 12.7" |
| Material | 6061-T6 Aluminum |
| Handguard Weight | 7.66 oz |
| Mounting Hardware Weight | 4.72 oz |
| Inside Diameter | 1.3" |
| Outside Diameter | 1.5" |
| Attachment Type | ATLAS (Aero Taper Lock Attachment System) |
| Mounting Standard | M-LOK |
| Made in USA | Yes |
The S-One is designed for the M5 platform and compatible with mil-spec AR-15 upper receivers and barrels. It is not compatible with M5E1 Enhanced Upper Receivers due to indexing tabs. Aero recommends these handguards for seamless fit with the M5E1 Threaded Upper Receivers, so verify your upper before purchasing.
All necessary hardware comes included with the handguard. You'll need a standard armorer's wrench to tighten the barrel nut and ATLAS attachment system, but this wrench is not included with purchase.
Yes. The S-One is designed to be compatible with low-profile gas blocks without interference.
The handguard comes with all mounting hardware necessary for installation, including the tapered locking nuts, turnbuckle screw, barrel nut, and detent assembly. You do not need to purchase additional hardware to mount it to your rifle.
SKU: 167528789 • Weight: 2oz