Not sure what year, I'll have to check. But it definitely has the titanium coated bolt assembly it has that light brassy color to it. I know my bore is chromed. I saw a YouTube video that did a good job of demonstrating the proper way to adjust the gas valve. I'm pretty certain a lot of people that had feed or ejections issues were unaware it should be done or how to do it.
At my age I was fearing it might be a little too much gun for me and was going to downside to something a little more human friendly, LOL! But it's not like I'm going to pump hundreds of rounds if I take it to the range. My son will have fun with it and it will probably become part of his inheritance.
I read something that surprised me. It said the .308 round can be a little hotter than a 7.62x51 NATO round. I would have thought it would be the other way around. It also said the .308 case diameter is slightly larger than the 7.63 NATO equivalent.