Most combat fighting distances are under 100 yards, fast and furious. In Ohio, where I live, I have to try to get a shot in the open to 300-400 yards, and soon as I go prone, anyone that far away from me does not have a shot at me....he has to get within 100 to see me. Not that we do that much combat fighting around here, but for a "do all" little gun, that isn't very obtrusive or heavy, the little Carbine has a lot of followers. Lots of veterans of military conflicts have said that it is as deadly as a .223 under 150 yards, especially with hollowpoint ammo, but many who have stated that the ammo is scarce and expensive have a point. I reload, so that isn't the biggest problem for me. I'm not recommending that it replace anyone's AR or AK (although I think it is more accurate than most AK's), just that many consider it "adequate", and that it is an option for a light, fast handling gun, and that the GI issue version is probably worth the extra bucks over the commercially made variants for its reliability.