This isn't a 'gun' violence reduction plan, it's a violence reduction plan. @DavidKennedyNYC has proven these programs can work, but suffer from a lack of sustained support. It's much easier for politicians to demonize 'guns'.
According to a new report, Americans own 423 million firearms along with over 8 billion rounds of ammo.
The same report noted that in a 25 year period between 1993 and 2017, the violent crime rate has dropped by about 49%. https://www.google.com/amp/s/americanmilitarynews.com/2019/12/thanks-beto-orourke-gun-shop-owners-credit-2020-democratic-candidates-for-spike-in-sales/amp/