As you said- unknown. Value of any firearm is based on exact make, model, and condition. You gave us none of the 3.
the musket does not have a rifled barrel and a rifle does
Carbine, rifle, firearm, or gun. Those are synonyms for musket.
musket Or miguelet / miquelet.
A musket is smooth bored, like a shotgun's bore. A rifle has rifling inside the bore (grooves).
It replaced the smoothbore musket.
Nothing different from a rifle.
The rifles had superior range and accuracy compared to the smoothbore musket.
10-1000 usd
Rifle.
bayonet
No, a rifle has rifling in its barrel (spiral grooves to make the bullet spin, thus stabilizing it and improving accuracy). A musket barrel is smooth.
A bayonet is a thrusting weapon placed on the muzzle of a musket or rifle which turns the weapon into a spear.