The trend of the invention of guns progressed since then. Great advancements were made by inventing different types of firearms like the Arquebus or the Bow-gun, rifles, multi-barrel guns, screw or cannon barrel pistols, dueling pistols, socket bayonet, etc. Over the years machine guns came into existence. The man who invented the first machine gun was an English, named James Puckle. He was a lawyer and a writer from London, who invented the 'Defence Gun' popularly known as 'Puckle Gun'. This machine gun was a multi-shot gun mounted on a stand and was able to fire nine rounds per minute. It was controlled by a hand crank. This gun resembled a large revolver because it had multiple revolving chambers in it. The use of this weapon was to repel boarders on ships. This weapon failed due to certain glitches.
Times have changed drastically since then. Today the standards of developing firearms has achieved immense recognition in the self defense, national security and defense industries.