Facebook blocks gun accessory ads to the under 18s
 

Facebook has tightened the rules about what sort of firearms-related content is visible by the site's underage users. From June 21st, ads for weapon accessories, from optics, flashlights and holsters through to bulletproof vests and camouflage gear,...

https://www.engadget.com/2018/06/18/...the-under-18s/