Why is an AR-15 out of your price range? What is your price range? You could do a nice AR build in the $700 range if not cheaper and it's a "military" sized round.
"Regardless of whether justified of not, you will feel sad about killing another human being. It is better to be sad than to be room temperature." - Joe B Fricks.
01 FFL, GOFFA, NRA, GOA, IAVA, VFW, ABATE of Iowa D15.