Krytac / KRISS USA Full Metal Trident MKII CRB Airsoft AEG Rifle 400 FPS Black Large KTAEG-TR2CRB-BK01. The Trident MK2 CRB utilizes a 10.5 barrel and 10 free floating DEFIANCE TR110 keymod hand guard. The DEFIANCE hand guard features three prongs at...