I'm seriously considering purchasing a DSA FAL rifle in 308, but really don't know much about them, so I thought I'd post a thread to learn some more. I want this rifle to accurately reach out to 500-600 yards, but not be too large to preclude it from CQB usage. My main questions are as follows: What type receiver should I get? Type I, II, or III? What is the best method of mounting an optic to this rifle, such as an Aimpoint or Leupuld 3-9X? Are the rail interface handguards worth the $250 price that DSA sells them for?...