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arsenalinc - made in US.

SA M7's are excellent, or get a Krebs.
Both come with a milled rec.
There are also "Vector Arms" built rifles.
It depends on how much you really want to spend.

If you want to go cheap, get a WASR for about $300.

Milled receiver vs. stamped? Endlessly debatable.

Neither will offer better than 2-3+ MOA.
7.62x39 is inherently inaccurate to begin with but, that being said, it's virtually identical, ballistically, to the 30-30 with the ability to shoot bullets other than just flat nose.
Also, being a semi auto vs. lever action, there is substantially less felt recoil, as well as the capability to use 20-30+ round magazines.

Since you already have a Mini 30, staying with the 7.62x39 is a good idea. Ammo commonality is strategically beneficial.
IE: Less is More.