According to the article yesterday the DSA SA-58 are still in stock and available. Considering the current situation and rush to buy firearms and ammo this is one way to add a decent semiauto rifle as others clamor for AKs and ARs.
DSA: Some FALs Still In Stock, Under $2000 | Investor Discussion Board: IDB
I see that some M76 rifles are available as well. That could evaporate as well if people search out alternatives. .308/7.62x51 is hard to find but probably not as hard as .223/5.56 and 7.62x39 ammo.