(CNBC) The U.S. gun industry is trying to shake off the Hollywood hitman image of the gun silencer and rebrand it as a hearing-protection device in a campaign to roll back regulations that date to the 1930s.
Industry lobbying has led to more than a dozen states legalizing silencers for hunting since 2011. Now gun advocates are pressing Congress to repeal a Depression-era law that requires a months-long screening process for silencer buyers - far more scrutiny than gun buyers face.
Sales of silencers —— or "suppressors," as the industry prefers to call them — are booming.
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