Buy your small parts from a reputable source!

[StoneHendge]

Border control seizes 10,800 "assault weapon" parts illegally imported from China. I'm pretty sure I can make out forward assists, safety selectors and pivot pins. God bless anyone who needs to save a couple of bucks on a small parts kit and ends up with a chinese piece of crap safety selector...

https://www.cbp.gov/newsroom/local-media...louisville