Former Supreme Court Justice John Paul Stevens called on gun control activists to demand a repeal of the Second Amendment in the wake of protests across the country aimed at pressuring lawmakers to act on stricter gun regulations.

In an op-ed for the New York Times, Stevens, who was nominated by Republican President Gerald Ford and went on to be part of the court’s liberal block until his retirement in 2010, said students and gun control advocates should push lawmakers to go much further than banning semiautomatic weapons and increasing the minimum age to buy a firearm.