Two years ago in Iraq, web journalist Michael Yon went to Iraq and took some photos. One of his holiday snaps happened to be of the above “mystery weapon”. Since posting it on his blog there have been thousands of supposed answers to the question “What in the world is this?”.

From grenade launcher to potato gun the ideas have been coming in their thousands. Now it’s up to you to make your decision about what it is.

Link - Mystery Weapon blog