Some curious mind found out that LEGO head can work as .40 S&W bullet.
http://imgur.com/a/A24Ii
The Firearm Blog decided to run with the concept and test on their own
http://www.thefirearmblog.com/blog/2017/02/23/40-cal-lego-heads-shot-glock/
From: IMGUR, The Firearm Blog