Shop › FORTIS CAMBER RAIL 15.3 MLOK BLACK FORTIS CAMBER RAIL 15.3 MLOK BLACK $246.95 Fortis Manufacturing, Inc. Camber, Handguard, Black, MLOK, Fits AR-15, 15.3" 556-CAM-153-ML Quantity: Add To Cart Added! Fortis Manufacturing, Inc. Camber, Handguard, Black, MLOK, Fits AR-15, 15.3" 556-CAM-153-ML