AeroPrecision167525661
Aero Precision Ar-10 M5 Atlas S-One Mlok Handguard 15" Fde$244.99
Availability: In Stock
Current Stock: Out of stock
The Aero Precision M5 Atlas S-One handguard is built for shooters who refuse to compromise between durability and weight savings. Machined from 6061-T6 aluminum and designed around Aero's proprietary ATLAS attachment system, the S-One delivers the lightweight profile you need for a true featherweight AR platform build without sacrificing the strength and stability Aero is known for. Whether you're running a precision rifle, tactical setup, or hunting carbine, this handguard keeps your gun balanced and controllable.
The ATLAS mounting system is where the S-One stands apart. Two mirrored tapered locking nuts apply even clamping pressure through a custom-engineered barrel nut and turnbuckle screw, while a ratcheting detent ensures positive registration during installation. This design philosophy eliminates the handguard distortion that can happen with conventional mounting methods. All hardware you need to mount it is included, and a standard armorer's wrench works with the system.
Weight matters on a hunting rifle or patrol carbine, and Aero engineered the S-One with that in mind. The 12.7" version weighs just 7.66 oz, and the 15" comes in at 8.71 oz—then add 4.72 oz for all the mounting hardware. A strategically eliminated center rail section on top keeps ounces off without ditching functionality: you still get full picatinny real estate at 12 and 6 o'clock, M-LOK slots, and quick-disconnect sling mounts at 3, 6, and 9 o'clock. Indexing grooves at 12 o'clock give your grip a positive reference point, and the design accommodates low-profile gas blocks. Made in the USA.
One important compatibility note: S-One handguards work with mil-spec AR15 upper receivers and barrels, but they're engineered specifically for Aero's M5E1 threaded uppers and are not compatible with billet M5 uppers due to indexing tabs. This is a long-range or tactical precision handguard for the shooter building a purpose-built M5 platform rifle.
| Platform | M5 Series |
| Attachment System | ATLAS (Aero Taper Lock Attachment System) |
| Material | 6061-T6 Machined Aluminum |
| Handguard Weight (12.7") | 7.66 oz |
| Handguard Weight (15") | 8.71 oz |
| Mounting Hardware Weight | 4.72 oz (all lengths) |
| Inside Diameter | 1.3" |
| Outside Diameter | 1.5" |
| Mounting Interface | M-LOK compatible |
| Rail Configuration | Front and rear picatinny with M-LOK slots |
| Sling Attachment | Quick-disconnect sockets (3, 6, 9 o'clock) |
| Gas Block Compatibility | Low-profile gas blocks |
| Upper Receiver Compatibility | Mil-spec AR15; M5E1 threaded uppers (not compatible with billet M5 uppers) |
| Country of Origin | USA |
The S-One is engineered for Aero Precision's M5E1 threaded upper receivers and works with mil-spec AR15 uppers and barrels. It is not compatible with billet M5 upper receivers due to indexing tabs.
The 12.7" version weighs 7.66 oz, and the 15" version weighs 8.71 oz. The mounting hardware package adds 4.72 oz regardless of handguard length.
A standard armorer's wrench is all you need. All mounting hardware is included with purchase.
Yes, the S-One is compatible with low-profile gas blocks and fits a 1.3" inside diameter.
SKU: 115726021 • Width: 3in • Height: 2.5in • Depth: 20.5in • Weight: 1.19oz
Availability: In Stock
Current Stock: Out of stock
The Aero Precision M5 Atlas S-One handguard is built for shooters who refuse to compromise between durability and weight savings. Machined from 6061-T6 aluminum and designed around Aero's proprietary ATLAS attachment system, the S-One delivers the lightweight profile you need for a true featherweight AR platform build without sacrificing the strength and stability Aero is known for. Whether you're running a precision rifle, tactical setup, or hunting carbine, this handguard keeps your gun balanced and controllable.
The ATLAS mounting system is where the S-One stands apart. Two mirrored tapered locking nuts apply even clamping pressure through a custom-engineered barrel nut and turnbuckle screw, while a ratcheting detent ensures positive registration during installation. This design philosophy eliminates the handguard distortion that can happen with conventional mounting methods. All hardware you need to mount it is included, and a standard armorer's wrench works with the system.
Weight matters on a hunting rifle or patrol carbine, and Aero engineered the S-One with that in mind. The 12.7" version weighs just 7.66 oz, and the 15" comes in at 8.71 oz—then add 4.72 oz for all the mounting hardware. A strategically eliminated center rail section on top keeps ounces off without ditching functionality: you still get full picatinny real estate at 12 and 6 o'clock, M-LOK slots, and quick-disconnect sling mounts at 3, 6, and 9 o'clock. Indexing grooves at 12 o'clock give your grip a positive reference point, and the design accommodates low-profile gas blocks. Made in the USA.
One important compatibility note: S-One handguards work with mil-spec AR15 upper receivers and barrels, but they're engineered specifically for Aero's M5E1 threaded uppers and are not compatible with billet M5 uppers due to indexing tabs. This is a long-range or tactical precision handguard for the shooter building a purpose-built M5 platform rifle.
| Platform | M5 Series |
| Attachment System | ATLAS (Aero Taper Lock Attachment System) |
| Material | 6061-T6 Machined Aluminum |
| Handguard Weight (12.7") | 7.66 oz |
| Handguard Weight (15") | 8.71 oz |
| Mounting Hardware Weight | 4.72 oz (all lengths) |
| Inside Diameter | 1.3" |
| Outside Diameter | 1.5" |
| Mounting Interface | M-LOK compatible |
| Rail Configuration | Front and rear picatinny with M-LOK slots |
| Sling Attachment | Quick-disconnect sockets (3, 6, 9 o'clock) |
| Gas Block Compatibility | Low-profile gas blocks |
| Upper Receiver Compatibility | Mil-spec AR15; M5E1 threaded uppers (not compatible with billet M5 uppers) |
| Country of Origin | USA |
The S-One is engineered for Aero Precision's M5E1 threaded upper receivers and works with mil-spec AR15 uppers and barrels. It is not compatible with billet M5 upper receivers due to indexing tabs.
The 12.7" version weighs 7.66 oz, and the 15" version weighs 8.71 oz. The mounting hardware package adds 4.72 oz regardless of handguard length.
A standard armorer's wrench is all you need. All mounting hardware is included with purchase.
Yes, the S-One is compatible with low-profile gas blocks and fits a 1.3" inside diameter.
SKU: 115726021 • Width: 3in • Height: 2.5in • Depth: 20.5in • Weight: 1.19oz