For less than $20 plus shipping everyday people can turn their handguns into machine guns. The Trace’s Alain Stephens explains the rise of the “auto-sear.”
This episode was produced by Hady Mawajdeh, edited by Matt Collette, fact-checked by Richard Sima and Laura Bullard, engineered by Paul Mounsey, and hosted by Sean Rameswaram
Transcript at vox.com/todayexplained  
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