Wow quite a list... even variants of the same weapons too. Shoot you might as well throw the HK416 in there as well, it was out there albeit in very, very, very small numbers. I'm guessing the MK18 mod 0 is one not to forget, maybe the Mk12 as I heard they were thinking of using more auto loading rifles for sniping. I'm sure AZ Sarge or some of the other guys on here that came back could tell you what they used or saw out there. But in all honesty, between the branches out there and the several variants from all the many manufacturers, not to mention the lowers they just slapped random uppers on, I think it would be pretty hard to get all of them. I'd simplify the list a bit, maybe knock off a couple M16's and an M14 to save you money and storage space IMHO, but then again you can never have too many of them. :lol: