The Aero Precision Minimal Optical Deflection (MOD) 4 handguard combines durability with ergonomic design, offering a solution that excels in both areas. Made from high-grade 6061-T6 aluminum, it is engineered to prioritize stiffness, minimizing deflection under significant load. Its secure attachment to the upper receiver is ensured by a robust steel barrel nut, reducing point-of-impact shift, especially when using infrared laser aiming devices. The MOD 4 handguard is User-friendly, featuring a 7-sided M-LOK interface for extensive customization. Steel-reinforced QD sockets enhance durability and longevity with standard steel QD sling attachments. Installation is straightforward, with no timing requirements at the barrel nut and the lug pattern is compatible with mil-spec castle nuts, eliminating the need for specialized tools. Two anti-rotation set screws provide added security and a precise fit, even with third-party upper receivers. The Aero Precision MOD 4 handguard is a comprehensive upgrade for firearm enthusiasts seeking reliability, customization and ease of use.

6061-T6 aluminum
Steel barrel nut
Heptagonal M-LOK
Four steel-reinforced quick Disconnect (QD) sockets
Internal diameter - 1.2 inches
Barrel nut torque - 55 +/-5 ft-lb
Compatible with low-profile gas blocks

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).