Professional grade one piece design – Simple installation includes all tools – Extremely lightweight design weighs only 4.8 oz with hardware – Slim 1.6 inch diameter for a great feel – Features 15 full and 5 half M-LOK slots – One five slot M-LOK(TM) compatible rail included – Features two anti-rotation QD sling swivel sockets – Constructed of 6061 aluminum hard coat anodized for a lifetime of service – 100% Made in the U.S.A. 922R Compliant – MI Lifetime Warranty – Patent pending