Shape and profile are designed for maximum rigidity and extreme use - Minimal point of impact shift for NV aiming devices - Longer 4140 Barrel nut to provide stability of the handguard - Machined heavy-duty anti-rotation tabs - Uses the MI patented torque plate to provide no forward movement of the handguard - Two steel anti-rotation QD sockets for maximum strength and placed to minimize gun roll - Body constructed of Hard Coat Anodized 6061 Aluminum - Fully dehorned and deburred - Torx hardware - 5-Slot polymer M-LOK Rail included - Seven Sides of M-LOK - Outside Diameter: 1.750 - Inside Diameter: 1.250 - Made in the USA - Lifetime Warranty