10-1000USD depending on specifics.
Many antique black powder rifle barrels were made in an octagonal shape.
I was getting one of my colt 44 black powders repaired and the ameture gun smith that was helping me out offerd $100 for one of them. Mine are in really rough shape though, they are functional but in rough shape.
That term refers to the outline shape of the outside of a rifle barrel.
the value is based on the shape it is in for great shape it would fetch 500 to 800 at auction
50-100
Starts out as a rock usually. can be formed into powder.
In modern weaponry (20th century and on), typical velocity for a rifle round fired from a common (i.e. not specialized) weapon ranges roughly between 900fps at the low end to approximately 4,400fps at the high end. Variables to tak into account are the amount of powder, the shape and weight of the bullet, and whether a sabot is used in the cartridge.
You will have to be the judge on safe condition to fire, but I have been shooting a Belmont Damascus barred gun for years with black powder loads and also with the substitutes. I have not loaded more than 60 grains and use it for skeet and target plinking. So long as the barrels and lock are in good shape it should be fine.
Because they are :D
The body style in the 1950s started to take shape of rockets because the space race between Russia and the USA. The engines in the cars were big but they did not have much horse power.
The hardness of diamond, which is the hardest naturally occurring substance, allows diamond powder to be used to shape gems for jewelry. When diamond powder is coated on tools like saw blades and drills, it is able to cut and shape other gemstones due to its superior hardness.
The U.S. Model 1903 Springfield Rifle replaced the Krag-Jorgensen and was the primary U.S. battle rifle until 1936. They are worth anywhere from $100 for one in poor shape to $500 or more in excellent shape depending on the year of the rifle.