The Supreme Court tossed Mexico's $10-billion lawsuit against U.S. gun makers, but the case forced U.S. officials to acknowledge that thousands of guns are smuggled into Mexico from the United States.

The U.S. Supreme Court turned away a fresh gun-rights appeal, refusing to question the District of Columbia’s ban on large-capacity ammunition-feeding devices.

In a unanimous blow to gun control advocacy groups, the Supreme Court shut down Mexico’s $10 billion claim targeting U.S. gun makers in a