The Reptilia Handguard features patented turn buckle technology and 10.5-inch M-LOK configuration designed for AR-15/M4 upper receivers with premium billet 7075-T6 aluminum construction.Reptilia Handguard 10.5" M-LOK BlackPatented turn buckle technologyBillet 7075-T6 aluminum constructionMIL-STD Type III Class 2 hard anodized finishM-LOK mounting systemCompatible with all M4 upper receiversIncludes required barrel nut and hardwareMade in the USAPerfect for tactical applications and precision shooting this handguard offers superior durability and modularity for AR-15 platform customization with reliable American-made quality.