How gun buffs took over Wikipedia’s AR-15 page

In the days after the Parkland shooting, users flocked to Wikipedia to learn about guns. When users searched for “AR-15” — the style of gun used during the shooting — they were directed to the page for the “Colt AR-15.” The page was viewed more than 200,000 times on the day after Parkland, a hundred times its usual traffic. But those users didn’t find much information about mass shootings or political efforts. In fact, the Colt AR-15 page made no mentio