Source: http://www.thefirearmblog.com/blog/2013/07/30/philippines-military-50-cal-armed-rebels-playing-rules/ :

A reader emailed us the above photo of Filipino rebel troops belonging to the the unfortunately named MILF (Moro Islamic Liberation Front). The man on the left is carrying one of the .50 Caliber backyard workshop rifles that seem to be popping up frequently in the Philippines.

I am told that members of the Philippines military are not pleased with the state of affairs. […]