Remington

The gun-maker had appealed to the highest federal court after the Connecticut Supreme Court allowed the lawsuit over the 2012 school massacre in Newtown, Conn., to go forward in March.

Gun companies have rarely been held liable for crimes committed with their products. This lawsuit could mark a new front in the battle over gun regulations and corporate accountability.

The 200-year-old firearms manufacturer has struck a deal to stave off creditors as it tries to reorganize amid falls in sales and louder calls for gun control.