The longer the barrel allows several things:
The longer barrel allows the use of flash suppression and gas redirection with out risking the operators health
580mm, or 22.83 inches. Rather long barrel for a .22 rifle.
A rifle
14.5 inches on the actual M4 rifle.
Basically they are the same. But a long Barrel and a long shoulder stock make a gun a Rifle.
Rifle, handgun and shotgun can all have "long" barrels
A rifle is a long gun with a rifled barrel designed for accuracy at long distances, while a shotgun is a long gun with a smoothbore barrel designed for shooting multiple projectiles at close range.
No
A really good barrel is the beginning.
I do not personally, but yes, there is a single shot rifle that can have the rifle barrel replaced with a shotgun barrel.
The barrel of a Kentucky long rifle typically ranged from 36 to 48 inches in length, with many averaging around 42 inches. This length contributed to the rifle's accuracy and range, making it favored for hunting and marksmanship in the 18th and early 19th centuries. The longer barrel allowed for improved ballistics and a more stable flight path for the projectile.
Who made it, what caliber is it, is it a rifle, shotgun or hadgun, how long is the barrel, is the barrel round or octagon, what is the stock made out of, what is the serial number(if any)? Who made it, what caliber is it, is it a rifle, shotgun or hadgun, how long is the barrel, is the barrel round or octagon, what is the stock made out of, what is the serial number(if any)?
Your question is to vague. What do you mean by "long range? Depenidng on that answer, barrel length could be from 24 inches on up.