Supreme Court will rule on ban on rapid-fire gun bump stocks, used in the Las Vegas mass shooting 
                            
				
							
				
			
			
			
				
									
 
								
								
				The Supreme Court has agreed to decide whether a ban on gun attachments that allow semi-automatic weapons to fire rapidly like machine guns violates federal law. The justices said Friday they'll hear arguments next year over a gun bump stocks regulation the Justice Department implemented after the 2017 Las Vegas mass shooting. Federal appeals courts have come to different decisions about whether the regulation defining a bump stock as a machine gun comports with federal law. The justices say they'll review the Biden administration’s appeal of a ruling by the 5th U.S. Circuit Court of Appeals in New Orleans that invalidated the ban.