AR-15s are pretty common these days. I like them a lot, though they aren’t perfect by any means. We can quibble about the caliber and gas systems all day, but they have good ergonomics and are widespread and popular. Good ones are reliable. I hadn’t really planned on reviewing factory-made AR-15’s, as they such a generic, well-known commodity, but when DRD Tactical offered one, they put a word in the subject header that made me interested. The word was “takedown”. Takedowns are something that I have always found fascinating, and DRD builds a takedown version of the AR. The idea …