OK, I thought the differences also included a different part number op-rod (damned if I could ever figure out what the actual difference was) and a National Match-grade barrel. But maybe the op-rod is considered part of the NM action.
The sight, I have covered at last, as soon as I can spare $250 or so for the Sadlak mount (http://www.sadlak.com/si_home.html). This one should actually work, unlike the previous three I've tried.
Re: Corrections
The sight, I have covered at last, as soon as I can spare $250 or so for the Sadlak mount (http://www.sadlak.com/si_home.html). This one should actually work, unlike the previous three I've tried.