Exchanging Fire

Dan Baum misses the mark for the best way to control gun violence [“How to Make Your Own AR-15,” Report, June]. The truth is that guns don’t kill people, ammunition does — and banning ammunition or restricting its sale would be considerably easier than banning firearms themselves. Bullets are relatively unambiguous in purpose, consist of easily traceable components, and are very difficult to make at home — even with a 3-D printer. Regulating ammunition would allow gun hobbyists to continue to construct and modify their weapons while restricting their ability to do harm to others. The U.S. Constitution grants Americans…