Former ATF analyst schools bump fire without Slide Fire stock in 5 seconds (VIDEO)

A former senior analyst in the Firearms Technology Branch of the Bureau of Alcohol, Tobacco, and Firearms talks explains the Slide Fire stock and why he feels the branch made the right call on its legality. Now retired, Rick Vasquez was with ATF’s Firearms Technology Branch in 2010 when they evaluated the now-controversial bump fire stock attachment.

Speaking with Vice News, he explains the reasoning behind the determination that the stock was NFA-compliant and discusses the concept of bump fire in general — noting that the technique is fairly easy even without the purpose-made aftermarket attachment. While admittedly never having done it himself, Vasquez pulled it off at his local range with a vanilla AR-15 in a few seconds, then passed on the trick to the Vice staff.

In the end, the fact that the Slide Fire stock still requires the user to pull the trigger each time the gun fires is key. “We made a technical and statutory decision that was correct,” says Vasquez.

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