A new poll has some encouraging aspects, but this is not:
For this survey, respondents were shown three pictures of firearms and asked whether they should be available to every American who is eligible to own firearms, or only to the police and other authorized persons. These weapons were reportedly used in last month’s mass shooting in Aurora, Colorado.
A majority of respondents believe the .40-calibre Glock handgun (63%) and the Remington 870 shotgun (58%) should remain accessible to every American who is eligible to own firearms. However, 73 per cent of Americans—including sizeable majorities of Republicans (66%) and gun owners (61%)—believe the AR-15 rifle should only be used by the police and other authorized persons.
This is the only poll I’m aware of that was done by picture. You can see the methodology here. The people were selected from among this pool of people to get a representative sampling, but I’d also note that I don’t think most gun people would be the types that would sign up for something like this. Regardless of how representative the sample actually is or isn’t, there are pretty clearly a lot of gun owners we’re not reaching with facts. How many of them thought they were looking at a machine gun? If any were fooled, we’re clearly not doing our jobs.