Falconet cannon weapon

From Wikipedia

The falconet was a light cannon developed in the late 15th century that fired a smaller shot than the similar falcon. The falconet fired small yet lethal shot of similar weight and size to a bird of prey and so was often decorated with a falcon. 

Its barrel was approximately 4 feet (1.2 m) long, had a caliber of 2 inches (5 cm) and weighed 180 to 440 pounds (80 to 200 kg). The falconet used 0.5 pounds (225 g) of black powder to fire a 1-pound (450 g) round shot at a maximum range of approximately 5,000 feet (1,500 m). 

In 1620s Germany a breechloading version was invented, seeing action in the Thirty Years War.  Many falconets were in use during the English Civil War. During times of unrest, they were used by the nobility to defend their grand houses. 

Though developed for use on land, the falconet gained naval prominence during the 17th century for the defense of light vessels, for example, on small boats for boarding maneuvers.