DENVER (AP) - Colorado's largest state-based gun lobby has filed a lawsuit against Gov. John Hickenlooper in hopes of overturning what it says is unconstitutional legislation requiring extended background checks and restricting the size of ammunition magazines.
Dudley Brown, executive director of Rocky Mountain Gun Owners, said Tuesday the group "will fight to keep the constitutional rights of Coloradans intact by challenging these laws on every front." The lawsuit was filed in District Court on Sept. 4.
A lawsuit filed by Colorado sheriffs also seeking to overturn the laws is pending in federal court.
Democrats argue the gun-control laws, which took effect July 1, will improve public safety and are an appropriate response to the massacres at an Aurora movie theater last summer and at Sandy Hook Elementary School in Newtown, Conn., in December.
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