Krytac / KRISS USA Full Metal Trident MKII-M CRB Airsoft AEG Rifle Combat Grey Large KTAEG-TR2CRBM-CG01. The Trident MK2 CRB-M utilizes a 10.5 barrel and 10 free floating DEFIANCE TR210 M-LOK hand guard. The DEFIANCE hand guard features three prongs...