You're not an individualist if you only treat you and yours as anonymous entities responsible only for themselves and everyone else as a faceless, hive vessel representing everyone else like them.
There's actually a particular word, albeit sometimes overused, for what you are.
Pandora's box is opened. There's no feesable way to control guns now. As you see in headlines all over the world 3d printing has ruined any chance at gun control. Deterrence dispensed