Whether there should be a nationwide limit on the number of bullets in a magazine is a question dividing Americans after the Newtown, Conn., school massacre. The idea of a limit has picked up momentum on Capitol Hill, but deciding where to draw the line is proving difficult. The Senate Judiciary Committee on Wednesday will grapple with those questions when the panel holds its first hearing on a bill by U.S. Sen. Dianne Feinstein, D-Calif., that would ban 157 specific models of military-style assault weapons and magazines that hold more than 10 rounds of ammunition.

This graphic provides information about the high-capacity magazines at the center of the gun debate. Read the story about the debate over whether large-capacity magazines are a Second Amendment right or gun-violence scourge.

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