firing pin , breech block, and extractor and ejector mechanism
bolt face signature
No. But there are revolvers made to shoot .410 shells that also fire .45 Colt cartridges,
They are made in several different calibers. Look on the barrel to read caliber markings.
Can't tell from the cover. It may be a custom made instrument, but there are no distinctive markings or shapes to it. It isn't a Fender.
No telling. .38 caliber shot shells have been available for a LONG time, and are still made.
I believe the shells are made of chitin.
Most car shells are made from pressed steel, some are made from plastics.
You can donated the cartridges as charity. The are many organizations that accept these cartridges, and you can send them throught the mail.
Shells are grown by shellfish to cover their insides.
Rimfire cartridges are comprised of a soft lead bullet, a case most often made of brass, and the smokeless propellant (powder).
it's made of a certain amont of bug shells and hard plastic
NO . Turtles shells are natural and grow with the turtle. Plastic is man made .