A lot of what makes a muzzle loader the best is dependent on the price you want to pay. Ashland Guns inline muzzle loader is called the best by some but comes at a price of over $2500. Others consider the Accura by CVA to be the best at $600.
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
Cabela's or Dixie Gun Works would be your best bet, or gunborker website.
"Best" is a subjective term that depends, among other things, on your skills, intended use, pocketbook, "feel" of the weapon, etc..
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 value of a Kodiak inline muzzleloader can vary based on factors such as condition, age, and whether it includes any accessories. Typically, prices range from $200 to $500. For a more accurate appraisal, it's best to check current listings on firearms marketplaces or consult a local gun shop.
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