I had the "AR" and traded it for the AK-47 because it was more dependable and my targets stayed down. It doesn't have the distance as the "AR", but a FAL 308 takes care of that problem. I trained with the saiga 12 in room to room clearing and could not find a more dependable weapon. My only problem was that darn bolt system. Learned the trick and I could put it back together as fast as my AK. Will admit they are pricy and the "AR"s are coming down a bit. Now that they are using the piston system I might pick up a 308 version.
Note: My wife love's her saiga 12 and wouldn't share. I had to pick