The Aero Precision MOD 4 10.6\" M-LOK Handguard offers durability and rigidity for your AR-15, engineered to minimize optical deflection under load. Crafted from 6061-T6 aluminum with an anodized black finish, it is designed for straightforward installation and reliable accessory mounting. 6061-T6 aluminum construction and steel barrel nut Full-length M-LOK mounting on seven sides Four steel-reinforced QD sling sockets Compatible with low-profile gas blocks and Aero Precision M4E1 threaded upper receivers, this handguard is purpose-built for strength and reliability in demanding conditions.