How Stephen Paddock, the Las Vegas killer modified his weapons with “bump stock” that fires 400-800 rounds per minute (Infographic)

Stephen Paddock, the Las Vegas gunman that killed 58 concertgoers and left over 500 people injured from a suite at the Mandalay Bay resort and casino had 12 rifles modified with bump stock attachments. The modification turns a semiautomatic weapon to fully automatic weapon of mass distraction.

The majority of people who modify guns with bump stocks are not rookies or first timers; this is more of an advanced shooter modification.

The National Rifle Association or NRA believes that these types of modifications are a bad thing and need to be regulated.

“The NRA believes that devices intended to allow semi-automatic rifles to function like fully automatic rifles should be subject to additional regulations,”

Here is how a bump stock works: