Originally Posted by JonM
i figured he was looking to buy cuz of the ammo availability question.
I honestly have no idea, but from the initial post, then the follow up, I get the feeling he is looking for field knowledge as opposed to knowledge for a purpose of purchasing.
Usually the guys that are wanting to build or wanting to buy have a couple of models in mind BEFORE they post. They know WHAT they want the weapon to do, in their mind, but are unsure of what round will do it.
This just seems to be more of a querry into the world of the AR to me.
Apologies if I am wrong and would be happy to help.