The Colorado Supreme Court on Monday unanimously upheld the state’s ban on large-capacity gun magazines, finding that the prohibition does not violate residents’ right to bear arms as guaranteed by the state Constitution.

The justices ruled that the ban is a “reasonable exercise of police power that has neither the purpose nor effect of nullifying the right to bear arms in self-defense” set out in the Colorado Constitution.

The ban on magazines that hold more than 15 rounds was put in place in 2013 in the wake of the Aurora theater shooting the prior year, in which the gunman used such a magazine to fire more than 60 rounds in less than a minute, killing 12 and wounding dozens.

The court did not consider whether the ban violates the Second Amendment of the U.S. Constitution.

Rather, the court considered a narrow argument — brought by the Rocky Mountain Gun Owners, the National Association for Gun Rights and plaintiff John Sternberg — that the state’s ban on large-capacity magazines is worded in such a way as to constitute a ban on “practically all detachable magazines,” therefore violating the right to bear arms in defense of home, person and property.

Read more at DenverPost.com.