I prefer the ar10. Best multi-purpose rifle IMO. 223 is great too.
Darn i've been waiting for LMT to make there new AR-10. There's an LMT CQB Monolithic AR-15 for sale NIB where i live for $1,600 but i wanted the AR-10. If that ban happens i may have to settle for the LMT CQB AR-15 like this one.