In a previous thread I mentioned that I may be moving to SoCal. If that happens then my plans to get an AR are going to change. I'd be going with a Remington 700. A buddy of mine has one that's all tricked out. I love the gun, but don't know much about some of the terms used in the ads at Guns America. What is a Bull barrel and a Fluted barrel? Would I want a longer barrel or a shorter? Hell, I have too many questions. Can someone just give me a breakdown of everything that I should look for? Thanks.