One of the staffers over at The Truth About Guns (TTAG) was doing an ammunition review when an improperly manufactured cartridge detonated, rupturing his Glock 20 in his hands.
Story here:
http://www.thetruthaboutguns.com/2017/01/jeremy-s/rip-glock-20-kaboom/
Story here:
http://www.thetruthaboutguns.com/2017/01/jeremy-s/rip-glock-20-kaboom/