Yeah, I thought that might be where you saw them--they're not on most of the online gun stores. And feel free to PM me about the other thread, or about anything else that you'd like to!
Regarding the difference with the small ring mausers: I know (obviously) that they have a slightly smaller ring (Here is a Mauser nut website with various info:
http://www.mausercentral.com/rings.htm) And there was also a thread a couple years ago here at 24HCF where this came up some:
https://www.24hourcampfire.com/ubbthreads/ubbthreads.php/topics/4689263/Re_light_weight_mausersBut I'm sure there are much more knowledgeable people who can chime in about that...
I'm not sure what the weight difference would be on the 7.62x39 vs. the .30-06 (minimal, I would think), but I have the latter in an Interarms Mark X which is the same action in a slightly different stock, and it's just about 7 lbs. In another life it was the Remington 798, and that was listed as weighing 7 lbs even (with a composite stock):
http://www.rifleshootermag.com/2010/09/23/featured_rifles_rem798_091406/See that thread (above) from here at the 'fire for a discussion on how light you can get these rifles. (it get's a bit off topic at points, though, so be forewarned!
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