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Photo by: Ed Andrieski

**FILE** Richard Taylor, manager of at Firing-Line gun store in Aurora, Colo., displays June 27, 2013, some of the pistols that he won't be able to sell after June 30 because their magazines hold more than 15 rounds. Limits on ammunition magazines and universal background checks, signature pieces of Colorado Democrats’ gun-control legislation in response to mass shootings, take effect July 1, even as county sheriffs fight to overturn the new laws. (Associated Press)

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