"I said, 'You know what? If we really think these things should be off the street, then we need to destroy them,'" Stack told CBS News.
In his book, "It's How We Play the Game: Build a Business. Take a Stand. Make a Difference," which goes on sale Tuesday, Stack wrote that rather than returning the firearms banned by the company to manufacturers, the chain "sawed $5 million worth of rifles into scrap."
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