Answer :

Final answer:

The three common types of muzzleloader actions are flintlock, percussion cap, and in-line. Flintlock uses flint to ignite the powder, percussion cap uses a chemical compound cap that ignites when struck, and in-line places the cap directly behind the powder charge.

Explanation:

The three types of common muzzleloader actions are flintlock, percussion cap, and in-line actions. Flintlock actions use a piece of flint to ignite the powder charge. The flint strikes steel, which creates sparks that ignite the powder. Percussion cap actions use a small metallic cap that contains a chemical compound that ignites when struck. This in turn ignites the main powder charge. Finally, in-line muzzleloaders place the cap (usually a primer, similar to what is used in centerfire cartridges) directly behind the powder charge, for a more direct ignition of the main powder charge.

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