I'll second the Mini-30. I have two, one of which is stainless and I keep it in my truck.
I really like the 7.62X39 round, and as such, have four guns that eat it:
1. Blue Mini-30 scoped.
2. SS Mini-30 iron sights
3. Norinco SKS
4. My fav, my AR-15 carbine, chambered in 7.62X39.