Aluminum CNC parts・Receiver・Outer barrel・Chamber dial set・Gas block・Hand guard・Flash hiderSteel parts・Trigger ASSY・Bolt carrier ASSY (DLC finish) “Diamond Like Carbon”Default Color・Black Hard AnodizedType A : SIG MCX GBB SBR 11.5inch BarrelSame set as SIG AIR MCX AEG in classic MCX configuration.
