You would measure the inside of the barrel from land to land (In other words, you would not include the depth of the rifling)
The 7mm designation is a reference to the bore size, or diameter. In decimal size it means this rifle has a barrel groove diameter of .284 inch.
A 243 calibre rifle is Just that. The bore (internal measurement of the barrel) is 0.243 of an inch in diameter.
Depends on the caliber, type of barrel, whether it is on a handgun or rifle, etc..
By measuring the inner diameter of the barrel across the lands.
rifle barrels may have a different external diameter. A rifle that is carried for hunting will usually have a "sporter" barrel- slender, to save weight. Target rifles will have more massive, stiffer barrels for accuracy. Those are "heavy" barreled rifles.
I do not personally, but yes, there is a single shot rifle that can have the rifle barrel replaced with a shotgun barrel.
You should slug the barrel to determine the actual bore size (lands and groove diameter) to ascertain the actual diameter of bullet the rifle uses. Selecting a resizing (swaging) die for that diameter will give you the best accuracy. All sizes of swaging die are available through RCBS.
There were .22 'shorts' and .22 LR (long rifle) models made. Read your barrel to determine which you have.
Caliber is measured by the diameter of the interior of a firearm's barrel, typically expressed in inches or millimeters. For example, a .45 caliber firearm has a barrel diameter of 0.45 inches, while a 9mm caliber firearm has a barrel diameter of 9 millimeters. This measurement helps identify the size of the ammunition that can be used with the firearm.
That term refers to the outline shape of the outside of a rifle barrel.
all winchester model 1894 rifles are marked on the barrel with the caliber they are chambered in.If yours is old enough then the chambering could be worn off through use and time.You will then need to measure the diameter of the barrel,buy measuring the lands and then the grooves.This is best left to a gunsmith.He may also take a casting of the chamber and determine the cartridge that your rifle was chambered for.
It's hard to determine the value without knowing who made the rifle and the condition the it is in.