The Aero Precision MOD 4 AR-15 Handguard 11.4\" is a durable, modern rail system designed for AR-15 platform compatibility. Constructed from robust 6061-T6 aluminum and finished with anodized black, it offers strength and a sleek look. The MOD 4 is engineered to provide stability and versatility for a wide range of rifle builds. 6061-T6 aluminum construction with anodized black finish 7-sided M-LOK interface for flexible accessory mounting Compatible with low-profile gas blocks and AR-15 pattern uppers This 11.4-inch handguard includes a steel barrel nut and features reinforced QD sockets for secure sling attachment. Its slim, ergonomic profile supports reliable performance for both recreational and professional applications.