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 – 5-Slot polymer M-LOK® Rail included – Seven Sides of M-LOK® – Outside Diameter: 1.85 – Inside Diameter: 1.30 – Made in the USA – Lifetime Warranty