Police in Sydney, Australia have arrested a suspected manufacturer and supplier of pen guns, an increasingly popular weapon among Australia’s world famous gasoline marauding biker gangs. The examples seized are extremely minimal in design, the suspected culprit suitably being caught in the car park of a local hardware store (Edit – a reader has correctly identified them as being made from a $3 automatic center punch .. with very little modification!

An automatic center punch

At least 10% of firearms seized in New South Wales are reportedly homemade.