580mm, or 22.83 inches. Rather long barrel for a .22 rifle.
A rifle
Rifles and shotguns are separate types of firearm. The Kentucky Long-Rifle was as its name implies a rifle, not a shotgun.
The first gun with a rifled barrel (a rifle is any gun with grooves cut into the barrel to give the projectile spin) used by American forces was the Kentucky rifle, used in the revolutionary war.
There is no specific length, but they usually have a 40 - 48 inch barrel. Add another 16 to 18 inches for the stock and they could be as long as 51/2 feet overall.
14.5 inches on the actual M4 rifle.
The Kentucky Long-Rifle is known alternatively as the Pennsylvania Long-Rifle, and the American Long-Rifle. Being from the Commonwealth of Kentucly the author of this answer asserts that Kentucky Long-Rifle is the one and true proper name. Now, as to the meat of the question. This long pattern of rifle first appeared in Pennsylvania as a product of German immigrants to the American Colonies. Due to its capabilities the gun rapidly proliferated from there. This type of firearm came to be known as the 'Kentucky Long-Rifle' in later years for a number of reasons. The most important of which would be that in colonial times the men of Kentucky had a reputation not only as hunters; but as Sharpshooters wielding this distinctive family of long-rifles.
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
Robert Lagemann has written: 'The long rifle' -- subject(s): Kentucky rifle