A group of Colorado sheriffs has been handed another legal defeat in their challenge to gun restrictions enacted in response to 2012 mass shootings.
A federal appeals court ruled Tuesday that a lower federal court improperly heard the sheriffs' challenge to 2013 laws limiting the size of ammunition magazines and expanding background checks on firearm purchases.
The decision means that the sheriffs shouldn't have been allowed to oppose those gun laws in the first place.
Gun-control opponents didn't immediately say whether they'll they again in the wake of the decision from the 10th Circuit Court of Appeals.
