Verified answer

The L96 and PSG-1 (with no attachments) aren't underpowered, and the Dragunov and WA2000 can still be used, but are pretty underpowered.

Actually use them properly instead of running around trying to quickscope.

So far I have found that the snipers are not underpowered, just a little difficult to use. Try using the L96 (the bolt-action) with an ACOG scope. It is still challenging but not as hard to get kills using it with that scope. Also, it is pretty fun to do so.

Yeah, they did mess up the sniper's. Hopefully they will release a patch to help bring back up. I recommend using sub machine gun's till that time.