The maker of the military assault rifle used to kill dozens at a Connecticut elementary school was sued almost exactly two years later by the families of 20 first-grade students who died in the mass shooting.

The Bushmaster Firearms International LLC rifle used by Adam Lanza in the Dec. 14, 2012, attack was specifically engineered for the U.S. military to kill in combat and wasn’t designed for home defense or hunting use, Josh Koskoff, a lawyer for the families, said today in a statement. Bushmaster is a unit of Cerberus Capital Management LP’s Remington Arms Co...

Teddy Novin, a spokesman for Madison, North Carolina-based Remington, said the company won’t comment on pending litigation...