Shop › FORTIS SHIFT VERTICAL GRIP MLOK FORTIS SHIFT VERTICAL GRIP MLOK $56.95 Fortis Manufacturing, Inc. Shift M-LOK Vertical Foregrip, Anodized Black Finish SHIFT-VG-ML Quantity: Add To Cart Added! Fortis Manufacturing, Inc. Shift M-LOK Vertical Foregrip, Anodized Black Finish SHIFT-VG-ML