stock issues

Hi, Im new to here but not guns. I have a Norinco NHM 91 (see Pic) I want to get a regular stock and pistol grip but I dont know which set to buy. It is a milled receiver and I dont want to buy something only to have it not fit.Links would be helpful. Thank for any help.

Purchased a SAM7SF a little while ago and was thrilled with the thing. The action and trigger was smooth as butter, stock had a good tight lock up in the open and closed position, and the safety was easy to manipulate. Everything about this gun screams quality. So I take it to the range the...