They do make both-not a typo but I wish it was. After finding this great site while working out what to do with my s12 I got hooked and went and bought a 7.62x39 and found out the hard way that it had a plain bore,went back to the shop a bought another with chrome-it cost almost twice a much but worth it to get what I wanted.
We can buy so many diferent spec versons down under that it makes your head spin-with and withour dimpils,plain forend or milspec,hunting stock or thumbhole. The ruskis will make them to any price point you want I supose