Sales at Dick’s Sporting Goods dropped in the past three months amid backlash against tighter gun-sale restrictions following a mass killing early this year at a Florida high school.

Revenue dipped 4.5 percent to $1.86 billion amid challenges in the company’s hunting business during the quarter through Nov. 3. Sales at stores open at least 12 months – a key metric for the retail industry – fell 6.1 percent compared to the prior year.