I have purchased or still have three MWSs, Sig 716, about a dozen DPMSs, GAP 10, KAC SR25, Ruger 716, Bushmaster 308, SCAR 17, Mega, PSAs, and even the Tavor 308.
I truly have a problem :)
In your price range and for your use the Sig is definitely a viable option. Not the most accurate in that...