Purchased mine from Impact years ago and it has really pulled its own weight. I'm on my second barrel and my rifle is still dead accurate using a wide variety of ammo (Radway Green, Aussie, etc.). After 10,000+ rounds I have experienced NO jams, failures to feed, failure to fire and merely one "stovepipe" that I immediately cleared. My M1A can deliver accurate fire to any neighboring zip code with very little effort.
This is a fantastic weapon, it is durable, rugged and very dependable. Keep your M16's and their variants....gimme' the M1A!!!!