What kind of gun? What year was it built, what is the condition, has it been fired before? How many times was it used? Was it in a war, if yes which war? What division of service? Who made the gun? Was it owned by anyone famous?
Blue Book of Gun Values
20-30 percent of their value
Meriden used the Howard name of guns it made for Sears about 1905. They were fairly cheap guns then- and now. Value $25-80, depending on condition.
hand guns , long guns, Air guns , Rifle these are used as a firearms .
A general value can be made if the Model, Serial Number, and condition is given. Over/Under guns are on the higher end of value, while the Pump Guns are the low end. Prices can start in the $300 range for well used pump guns, while High Grade Over Unders can to over $30,000.
gunpowder can be used for guns and fireworks
Muskets were the type of guns used in 1690. Pistols were also common types of guns that were used in 1690.
The Library
Long guns and hand guns
Hand guns and long guns.
The guns used in war to shoot down planes are called antiaircraft guns.
depends on the type of rifle / pistol
For the same reason that commodities are traded for any other commodity: perceived equal value for the trade.