My father in law gave me a used CVA optima with the quick release breech plug. I took it out to the range and it shot very well. I was happy till I took it apart to clean it. I noticed the flash hole on the breech plug looked awfully big compared to my knight so I looked at a friends wolf with the same plug and his is smaller like my knight. I asked my father in law about it and he said he drilled it so it would shoot black horn 209. I ordered the plug set up for it but he said I'm being too paranoid. The flash hole is as big as a 7/64 drill bit. I'm suprised it didn't mess it up. Am I being too paranoid or am I right about that being dangerous. II have limited time so far in muzzleloaders but it just doesn't seem right.