It will be eight sided,thus the name hexagon barrel.
Without a serial number, caliber, barrel length, type of action or model number , no way to come close to guessing
good to know
your Winchester model 1894 was made in 1909.As to the caliber it should be marked on the barrel of the rifle.(ie,30 wcf.is 30-30 caliber).32wcf is 32 Winchester special.38-55 is another possable caliber.
Are you asking about a winchester model 1873,1892,or model 1894 rifle?Allthese rifles had a chambering in either 38WCF(38-40) caliber or 38-55WCF and could be ordered with a octagon barrel.Please redefine your question and add a serial number so I may have some understanding of what you are asking and what rifle you are asking about.
$100 to $250 depinding on the condition..
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)?
With the serial number that you have provided,your Winchester model 1894 rifle was made in the year 1910.
They are two very different cases, minimally the barrel and breaches are different.