BLACKHORN 209 POWDER IN STOCK NO FURTHER A MYSTERY

I have a CVA optima in chrome steel. I also have the black horn 209 breech plug. I load a hundred grains by volume of Blackhorn 209 by using a 250 grain Barnes bullet. I have found that you really ought to use a superb primer. Don't use the primers created for black powder as this isn't black powder. I use the CCI magnum primers only. In no way exp