Zinc or pot metal
depends on if it is roll caps made of paper or plastic caps they all have different amounts.
No, they are inert.
No
In the brickworks market
on Amazon
Its in the revolver you put the caps in it.
Snap caps are by the size of the shell, not the make of the gun.
Yes, there are different sizes of percussion caps used for various black powder rifles and firearms. The most common sizes are #10 and #11 caps, with #11 being slightly larger and more widely used. Some firearms may also use musket caps, which are larger and designed for military-style muskets. The correct cap size depends on the nipple size and firearm design rather than the caliber alone. Using the proper percussion cap ensures reliable ignition, better performance, and safer operation. Always check the firearm manufacturer’s recommendations or specifications before choosing percussion caps for a black powder rifle or pistol.
Usually cap guns use ring or rolled caps. Check out websites online or hobby stores.
The caps on plastic 2-liter bottles of soda and bottles of water are made of plastic. Other bottle caps are made of steel, and some are made from aluminum lined with polyethylene.
Wheel center caps are generally made of aluminum or chrome plastic.
It's very hard nowadays to find caps in your local grocery store or dollar store. You can find them on cap gun websites and Amazon but they're usually overpriced and charge excessive prices for shipping.