AeroPrecision144599253
Aero Precision Apra600005C Mod 4 Handguard 10.6 Blk$249.99
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Availability: In Stock
Current Stock: Out of stock
The Aero Precision MOD 4 Handguard 15" is a precision-engineered rail system built for AR-15 shooters who demand accuracy and durability without compromise. Machined from 6061-T6 aluminum, this full-length handguard prioritizes stiffness to minimize deflection under load—a critical factor if you're running optics, lasers, or multiple accessories that need to stay zeroed. The 15-inch length gives you plenty of real estate for mounting gear while maintaining a balanced profile on mid-to-large format builds.
What sets the MOD 4 apart is its thoughtful engineering: a steel barrel nut eliminates the need for timing during installation, and the lug pattern is compatible with standard mil-spec castle nuts, so you won't need specialty tools. Four steel-reinforced QD sockets are built to handle repeated attachment cycles without loosening or deforming, and the full-length 7-sided M-LOK mounting surface lets you configure optics, lights, grips, and slings exactly where you want them. Two anti-rotation set screws provide extra security and tighter fitment, especially useful if you're working with third-party upper receivers.
This handguard ships with the MOD 4 barrel nut and mounting hardware, and it's designed to integrate seamlessly with Aero's M4E1 Threaded Upper Receivers and PRO series components. It's also compatible with any mil-spec AR-15 upper receiver, making it a versatile choice whether you're building a new rifle or upgrading an existing platform.
| Platform | AR-15 |
| Series | MOD 4 |
| Length | 15" |
| Material | 6061-T6 aluminum |
| Attachment Type | M-LOK |
| Internal Diameter | 1.2" |
| Weight | 17.73 oz |
| Barrel Nut Torque Spec | 55±5 in-lbs |
Yes. The MOD 4 is designed to work with Aero Precision's M4E1 Threaded Upper Receivers and PRO series components, and it's also compatible with any mil-spec AR-15 upper receiver. The steel barrel nut uses a standard mil-spec castle nut lug pattern, so no specialty tools are needed for installation.
The handguard comes with the MOD 4 barrel nut and mounting hardware. You'll have everything needed for installation on a compatible upper receiver.
Yes, the MOD 4 is compatible with low-profile gas blocks.
The steel barrel nut and rigid 6061-T6 aluminum construction are engineered to minimize deflection and point-of-impact shift under load, which is especially important if you're running optics or infrared laser devices.
SKU: 144599251 • Width: 3.15in • Height: 3.05in • Depth: 18.25in • Weight: 1oz
Availability: In Stock
Current Stock: Out of stock
The Aero Precision MOD 4 Handguard 15" is a precision-engineered rail system built for AR-15 shooters who demand accuracy and durability without compromise. Machined from 6061-T6 aluminum, this full-length handguard prioritizes stiffness to minimize deflection under load—a critical factor if you're running optics, lasers, or multiple accessories that need to stay zeroed. The 15-inch length gives you plenty of real estate for mounting gear while maintaining a balanced profile on mid-to-large format builds.
What sets the MOD 4 apart is its thoughtful engineering: a steel barrel nut eliminates the need for timing during installation, and the lug pattern is compatible with standard mil-spec castle nuts, so you won't need specialty tools. Four steel-reinforced QD sockets are built to handle repeated attachment cycles without loosening or deforming, and the full-length 7-sided M-LOK mounting surface lets you configure optics, lights, grips, and slings exactly where you want them. Two anti-rotation set screws provide extra security and tighter fitment, especially useful if you're working with third-party upper receivers.
This handguard ships with the MOD 4 barrel nut and mounting hardware, and it's designed to integrate seamlessly with Aero's M4E1 Threaded Upper Receivers and PRO series components. It's also compatible with any mil-spec AR-15 upper receiver, making it a versatile choice whether you're building a new rifle or upgrading an existing platform.
| Platform | AR-15 |
| Series | MOD 4 |
| Length | 15" |
| Material | 6061-T6 aluminum |
| Attachment Type | M-LOK |
| Internal Diameter | 1.2" |
| Weight | 17.73 oz |
| Barrel Nut Torque Spec | 55±5 in-lbs |
Yes. The MOD 4 is designed to work with Aero Precision's M4E1 Threaded Upper Receivers and PRO series components, and it's also compatible with any mil-spec AR-15 upper receiver. The steel barrel nut uses a standard mil-spec castle nut lug pattern, so no specialty tools are needed for installation.
The handguard comes with the MOD 4 barrel nut and mounting hardware. You'll have everything needed for installation on a compatible upper receiver.
Yes, the MOD 4 is compatible with low-profile gas blocks.
The steel barrel nut and rigid 6061-T6 aluminum construction are engineered to minimize deflection and point-of-impact shift under load, which is especially important if you're running optics or infrared laser devices.
SKU: 144599251 • Width: 3.15in • Height: 3.05in • Depth: 18.25in • Weight: 1oz
