When you chop a Mossberg 500 (or Remington 870) shotgun down, Serbu’s Super-Shorty is the result. This compact, stockless, pump-action AOW chambered in 12-gauge shotgun features a spring-loaded, folding foregrip. If that isn’t enough firepower, you can also special order a 20-gauge model. Its small size and 4.5-pound weight lends to many practical applications, enabling you to bring a 12-gauge anywhere, while easily maneuvering inside of tight quarters. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos today, including one showing how to build your very own thermoelectric generator.