"Those drums sound like machine guns" is a statement that was regularly used to describe Lamb of God songs, including one of their signature jams, "Laid to Rest." Well, one aspiring Youtuber, with the appropriate user name of Gun Drummer decided to take the saying very literally, by covering the song with actual machine guns (are AR-15s machine guns? Is he using AR-15s?)
If you need more, here is an After the Burial cover:
[youtube=https://www.youtube.com/watch?v=UC3ysloYs8c][/youtube]
[Lambgoat via MetalSucks]