From The Truth About Guns:

What does this mean for the perennial debate over banning semiautomatic rifles like MSRs? According to the survey results, a majority of voters in these states oppose a so-called “assault weapon” ban, which would outlaw the popular MSRs based solely on the cosmetic features of the firearm. Nearly two-thirds of the respondents acknowledge that a ban on MSRs would not be effective for reducing crime in their communities.