What is 2 gauge shotgun?

The 2 gauge shotgun is a very large and powerful firearm, often used for hunting large game such as bears, moose, and wild boars. It has a bore diameter of 0.729 inches and typically fires 2.5- or 3-inch shells. Due to its size and weight, it can be challenging to handle and requires a significant amount of recoil management. The 2 gauge shotgun is not commonly used for recreational shooting but is instead favored by experienced hunters who seek a reliable and powerful weapon for hunting. It is illegal to own or use a 2 gauge shotgun in some countries due to its immense power and potential danger.