Third District Congressman John Yarmuth, D-Ky., is co-sponsoring legislation that would ban high-capacity ammunition magazines.
A pair of Democratic lawmakers introduced the same bill last summer in the wake of a mass shooting at a Colorado movie theater. But there is newfound pressure for gun control measures due to the massacre of students and faculty at Sandy Hook Elementary in Connecticut.
The measure would ban the sale or transfer of firearms that hold more than 10 rounds. Supporters point out that some gun magazines have 100 or more rounds.
Yarmuth says this measure is one of the least controversial attempts at gun control to prevent future massacres.
"These magazines serve no legitimate sporting purpose or even self-defense purpose. They are only there for mass killing," he says.