"Yeah, the sub-sonic makes a difference but when you're all of a sudden up to your elbows in skinnies you don't really want to have to cycle each round by hand. Same with the .223. Quieter then a church mouse but hand cycling sucks."
"Yep, silencers/noise suppressors are the ticket. 308 rocks, especially at distances over 300+ yards. The 223/5.56x45mm is a good round out of many rifles out to 600+ yard. Of course both rounds are excellent up front. The 308 will be a bit louder up…"