Watch the double barreled 40mm Brickhost made by airsoft custom maker CronoArms in action... "Much overdue gameplay video of the CronoArms Brickshot. The Brickshot is a compact, double barreled airsoft 40mm Grenade Launcher, built off the CronoArms Shot Series chassis.  It can fire each barrel individually or both at once.

The Brickshot and it's bigger brother, BrickshotXL is available at CronoArms."