In Ontario Canada,you must remove the flint for transport purposes. The charge can be left in the barrell. For storage the charge must be removed. (By the book

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When hunting I use 3f Goex for both prime and charge. Target shooting I use 4f for prime. But I'm a newbie with the flinter as well.
edit: P.S. The "Wise One's" say "Dump the load every day."