13" 7 Sided KeyMod Hand Guard 6061 Aluminum Material Includes Steel Barrel Nut
16"6.5 grendel barrel, carbine gas system, 1:8 twist
FDE cerakote
Muzzle Brake
Ejection Port Cover
Forward Assist
BCG and Charging Handle (Standard Latch) included
AR15/M4/M16 Upper Receiver Forged from 7075 T6 Aluminum