They are called muzzleloaders simply because the powder and bullet are loaded from the muzzle end of the gun, Here is a page from WIKIpedia that may help answer.http://en.wikipedia.org/wiki/Muzzleloader
Yes
No
Cabella's
That depends on the make and model.
A traditional inline muzzleloader can be equipped with a mechanical safety. This safety feature helps prevent accidental discharge of the firearm by blocking the firing mechanism until the shooter is ready to fire.
The longest shot with a muzzleloader is often attributed to a record set by a shooter named Bob R. B. "Duke" Hanner in 2017, who successfully hit a target at a distance of 2,300 yards (approximately 1.3 miles). This remarkable feat was accomplished using a custom-made muzzleloader and specialized ammunition. Muzzleloader shooting typically emphasizes accuracy and skill, making such long-distance shots particularly challenging and impressive.
Unknown
100-400
removing the breech plug
rust
2
One can purchase a CVA muzzleloader from the official website of CVA. These hunting equipment costs between 100-600 dollars and comes in numerous specifications.