A safe way to unload a muzzleloader is to discharge it in a controlled environment by pointing the muzzle at a safe backstop and firing it, ensuring no one is in the line of fire. If retaining the projectile and powder is desired, using a ball puller attached to the ramrod to extract the bullet or pushing the projectile out from the breech (rear) after removing the breech plug are safe alternatives. Another modern method involves using a CO2 discharger device designed to clear the barrel safely without firing. Always handle your muzzleloader with care, ensuring the barrel is clean and free of debris, and be cautious if using advanced unloading methods like adding a small powder charge to dislodge a stuck projectile, as it carries risks and should only be used by knowledgeable individuals.