Gun can refer to a long gun or a hand gun. A rifle is very particular. It has to have grooved barrel which spin the bullet when it is going down the barrel. This spin action on the bullet makes it more accurate.
A sub-machine gun fires pistol cartridges. A machine gun fires rifle rounds.
Gun is the general name for a firearm- it could mean a rifle, shotgun, pistol, or cannon. Bullet is the term for the part of a cartridge that is fired out of the muzzle of a gun.
You will have to define what you mean by carry, and which gun. There is a large difference between carrying a concealed handgun, and carrying a rifle or shotgun when hunting.
There is no difference between an AR rifle and an AR rifle
The length of the barrel. Guns/pistols can be held by one hand. While a rifle requires two hands to properly hold it. Both are air powered.
a cowboy takes both a rifle and a hat
About .05, obviously.
A sporter air rifle and what?
A 22 caliber rifle is a firearm and a BB gun is an air gun (Not a firearm) Now if you are asking about a .22 caliber air gun then the difference is in the size of the projectile. A BB is a hard round .175 caliber ball. The .22 caliber is a larger size pellet.
There is no difference.
A carbine is a type of rifle.
Mainly in the stock