Nah, you'd be surprised. There's plenty of well-populated, high-activity groups online these days for people who 3D print guns and gun accessories. There's dozens of Discord servers where people share STL files all day long. There's a lot of overlap between gun enthusiasts and 3D print enthusiasts these days.
Federal judge again strikes down California law banning gun magazines of more than 10 rounds (apnews.com)
California cannot ban gun owners from having detachable magazines that hold more than 10 rounds, a federal judge ruled Friday....