m/39B is capable of penetrating 50 layers of kevlar, 7 cm brick or 25 cm wood. It also penetrates body armour class IIIA.
http://www.amkat.se/index.php?Env=Ammo&Menu_A=30&Menu_B=40&Menu_C=10&Menu_Value_A=9x19&Menu_Value_B=Ball&Menu_Name=Ball
http://www.amkat.se/index.php?Env=Ammo&Menu_A=30&Menu_B=40&Menu_C=10&Menu_Value_A=9x19&Menu_Value_B=Ball&Menu_Name=Ball
Oh my ! TIL !
obsolete
http://www.foxnews.com/tech/2017/11/21/uc-berkeley-professor-s-slaughterbots-video-on-killer-drones-goes-viral.html
does not matter where your money is, they will find you
A net or layers of nets would stop them