The largest gun was the 18 inch guns on the Japanese battleship[p yamato.
The largest water gun fight was recorded in Bangkok, Thailand. Almost 3471 people spraying each other for 10 minutes set a new world record for the largest water gun fight.
smith and weston
the larger hundgun is the 44mag
At largest, about a foot.
Prehaps 30mm GAU-8
A big gun is a large artillery gun or one of the largest-calibre naval guns, or a person, group or thing which is powerful, influential, or effective.
A belt fed machine gun- no limit. The American 180 was a .22 LR machine gun with a 177 round magazine.
Assuming that you mean small arms it is the 30 cal Gatling gun
Sons of Guns - 2011 World's Largest Machine Gun 3-6 was released on:USA: 4 April 2012Sons of Guns - 2011 World's Largest Machine Gun - 3.6 was released on:USA: 4 April 2012
Remington is a likely candidate. They are also the oldest US gun maker still in business.
NRA. National Rifle Association
the guy in Sweden...or was it Denmark