The Aero Precision minimal optical deflection (MOD) 4 handguard is a perfect fusion of robust construction and ergonomic design, delivering superior performance without compromise. Machined from high-quality 6061-T6 aluminum, this handguard is specifically engineered for maximum stiffness, effectively minimizing deflection under load. It securely attaches to the upper receiver with a steel barrel nut, which also plays a key role in reducing point-of-impact shifts when using infrared laser aiming devices under load. Designed with practicality in mind, the MOD 4 handguard features a full-length, 7-sided M-LOK interface, providing users with extensive customization options to tailor their build. The steel-reinforced QD sockets are a standout feature, offering exceptional strength and durability, ensuring that they withstand wear even when interfacing with standard steel QD sling attachments. Installation is straightforward, with the barrel nut lug pattern matching mil-spec castle nuts, removing the need for specialty tools and eliminating the need for timing. To enhance the fit and functionality, the MOD 4 also includes two anti-rotation set screws, ensuring a precise and secure fit when used with third-party upper receivers. With its combination of strength, versatility and ease of use, the MOD 4 handguard is an essential component for any high-performance build.

The 6061-T6 aluminum construction ensures durability and long lasting performance
Durable steel barrel nut for secure and stable barrel attachment
Features a 7-sided M-LOK system for versatile attachment of accessories
Includes (4) steel-reinforced quick disconnect (QD) sockets for secure and reliable connections
The internal diameter measures 1.20 inches, providing a secure fit for various components
Compatible with low-profile gas blocks, offering greater flexibility in gas system customization for a clean and efficient build

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