BC's will vary somewhat due to as stated previously twist rate, environmentals and in addition the degree of 'damage' the bullet gets as it enters the rifling all play a part.
Yes, that much is clear and it's been stated by a few different posters already so there's no need to repeat the obvious.
It doesn't lend any credence to your posts, all it does is show how ridiculous it was for you to say that someone else's numbers were "pretty close."
