DemolitionRanch tackles the great question between the ballistic benefits and trade offs of .223 Remington and .308 Winchester.
The vid is a little basic if you have experience on both, but if you are new to the game, or if you just really want to see some penetration comparisons which are always fun, tune in.
Warning: There is a Meghan Trainor song reference that you can skip in the first 15 seconds if you need to. You are welcome.
Source Article from http://www.guns.com/2016/04/26/taking-on-the-debate-between-223-and-308-video/