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To add to what dizzy j said. (Which i agree with 100%)
I wouldn't treat ANY two components the same, they MIGHT even be identical in profile on the outside but they wont have the same jacket thickness or exactly the same jacket hardness or same alloy etc. Unfortunately in this hobby there isnt any swapping of components for 1 to 1.
Some people, me included even buy large lots of the same lot number of all possible components so they have a known recipe and don't have to adjust. This goes for every single component not just powder and primers.
I recently just bought a few thousand bullets of each 75gn bthp in .22 and 264 and im very happy i found them in bulk.
It all depends on how much "control" you want on your ingredients for your load data.
But yes i agree with dizzy i would go for the general same recipe but work up a new load test With them.
I wouldn't treat ANY two components the same, they MIGHT even be identical in profile on the outside but they wont have the same jacket thickness or exactly the same jacket hardness or same alloy etc. Unfortunately in this hobby there isnt any swapping of components for 1 to 1.
Some people, me included even buy large lots of the same lot number of all possible components so they have a known recipe and don't have to adjust. This goes for every single component not just powder and primers.
I recently just bought a few thousand bullets of each 75gn bthp in .22 and 264 and im very happy i found them in bulk.
It all depends on how much "control" you want on your ingredients for your load data.
But yes i agree with dizzy i would go for the general same recipe but work up a new load test With them.