Colt
BSA is one.
Gun Grut's birth name is Gun Hagberg.
what is the name of the gun on a tank
There is no "one" name. Thompson, Walther, Ruger, UD, Sten, etc..
The primary one they used was the Vickers machine gun.
No one person by name is credited with this invention. or are they?
jhonny got his gun
John Wayne had several guns. Which one?
Gun Andersson's birth name is Gun Britt Ingrid Andersson.
Elephant gun.
A magnum gun is a gun that will shoot a magnum cartridge, and that cartridge will have magnum in its' name. It is just a moniker that infers more powerful cartridge, but the name itself has little or no significance...other than as a marketing tool. One that will propel a projectile at significantly more velocity than a regular one.
Gun Robertson's birth name is Gunborg Robertsson.