22gt load data is pretty much identical to the 22-250, they're near same capacity. The creed holds 6-7 more grains, or roughly 15%.You might also check out the 22CM thread since your 22-250 will be very similar. Could even ream your 22-250 to a 22CM if you want better ammo selection.
Here’s a post from the thread to get you started down another rabbit hole…
Post in thread 'The 22 creedmoor thread'
https://rokslide.com/forums/threads/the-22-creedmoor-thread.299646/post-3906639