It really depends on what their objectives are; what they think they might accomplish by having an automatic rifle. There are a wide array of tactical objectiv

It really depends on what their objectives are; what they think they might accomplish by having an automatic rifle. There are a wide array of tactical objectives, some better served by automatic weapons than others. Consider particularly the different tactical objectives terrorists and soldiers might have. Particularly, soldiers need more discipline because they're likely to be fighting people who can fight back. Having bullets come back at you would surely fray the nerves.