I don't think a smart gun has ever been sold to consumers in the US. The technology simply isn't reliable enough to be useful. The one model that a company did

I don't think a smart gun has ever been sold to consumers in the US. The technology simply isn't reliable enough to be useful. The one model that a company did try to market was so expensive and unreliable[1] that no store imported it. Also people were worried about the built-in kill switch. 1. https://www.americas1stfreedom.org/articles/2014/8/8/whats-so-smart-about-this-gun/ https://www.americas1stfreedom.org/articles/2014/8/8/whats-s...