i kinda wondered if 6.5 Creedmoor brass resized and shot in a 250 Savage would work ?
Or neck up .22-250 cases. When I got my first .250 that's what I did despite having .250 Sav cases. I just wanted to see if it worked. I ran the Winchester cases over a .257 expander ball and then over a 7mm expander (I never had a .264 then) and then full length sized as there is a 1 1/2 degree difference in the shoulders of .22-250 and .250 cases. This was 20 years ago and I'd never heard of annealing and was basically teaching myself. I worked those necks pretty hard from .224 to .284 and then back to .257 but I just junked the last of those cases last year. These days I'd just run a .22-250 case into a .250 Sav FL die and the shoulders would fire form out the 1.5 degrees on the first firing.
