Radian Weapons Complete Upper, 223 Wylde, 17.5" Barrel, 1:8 Twist, SilencerCo ASR Flash Hider, Intermediate Length Gas, 17" MLOK Handguard, Radian Raptor-SD Charging Handle, Radian Enhanced Bolt Carrier Group, Cerakote Finish, Black, Fits AR-15 R0026