No set number. The term Arsenal is properly used to denote a military facility for the manufacture and storage of arms. Reporters seem to (mis)use it to describe someone's home if they own a half dozen firearms.
how many types of guns are there in the world?
Two: Hand guns and Long guns
300 guns
Only two; hand guns and long guns.
Guns are for protecton and many hunters eat the animals they shoot with guns.
Long guns, hand guns, artillery
Many. BB guns, pellet guns, airsoft guns, etc.
Yes many do rent out guns.
The Guns of Avalon has 180 pages.
The Guns of the South has 561 pages.
The Guns of August has 511 pages.
of course there is!