Aim Sports AR10 308 free-float handguard has been built to provide rugged, reliable performance. It features seven panels of KeyMod mount-ability, built-in anti-rotation indexing and proprietary designed steel mounting hardware to ensure easy rock solid installation. It is constructed of black anodized 6061-T6 aluminum with a 1913 rail. The AR10 handguard is compatible with DPMS style high profile upper receivers and with KeyMod accessories. This high mount model is 13.5" long.