This is a popular idea amongst American liberals who rejoice at any possible means to eliminate/curb/add friction to lawful firearms ownership and manufacturing.
Where are they buying firearms in America at an "industrial scale?" An AR-15 receiver can be turned out in tens of minutes on a fast VMC - good luck stopping this.
Where are they buying firearms in America at an "industrial scale?" An AR-15 receiver can be turned out in tens of minutes on a fast VMC - good luck stopping this.