Thank you all for input. that is my goal. I went around the town and asked some gunsmiths about drilling the rifle and screwing picatinny bases and they said it's too hard. also said not many ppl will do that. would anyone know about this?
also i read in shootingtimes magazine article "Fitting scope bases to oddball guns" that this is possible and that there is smith here in NC that is doing it.
for now, i decided for now buying dovetail rings would be best. still planning to drill it in future.
here is how it looks