Facebook pages and websites have also been set up to help the families of Emilie Parker (6), Olivia Rose Engel (6), Noah Pozner (6), and Daniel Barden (7), who were killed at Sandy Hook.

CNN: Help for victims of Sandy Hook Shooting

"It doesn't prevent someone from going out of the state to purchase them and then bring them back, " said Mark Barden, whose seven-year-old son Daniel was killed in the shooting.

BBC: Connecticut agrees to sweeping gun laws after Newtown

Allowing such large-capacity magazines to remain in the hands of gun owners would leave a gaping loophole in the law, said Mark Barden, whose 7-year-old son, Daniel, was killed in the shooting.

NPR: Conn. Reaches Deal On Tough Gun Laws After Newtown

Allowing magazines that carry 10 or more bullets to remain in the hands of gun owners would leave a gaping loophole in the law, said Mark Barden, whose 7-year-old son, Daniel, was killed in the shooting.

NPR: Conn. Lawmakers Unveil Bipartisan Gun Control Plan

"People should listen to what we have to say and move the debate forward, " said Mark Barden, who lost his seven-year-old son, Daniel at Sandy Hook Elementary School.

BBC: Two senators strike bipartisan 'deal' on gun checks