Sorry I cant help you further.
Type: Posts; User: Woody
Sorry I cant help you further.
Outside neck 7.53mm
Base to top of shoulder 47.14mm
Base to bottom of shoulder 43.49mm
Diam at shoulder 11.04mm
Case length 54.99mm max.
Hope this helps.
Any reloading manual should give you the specs. Also compare your 6.5 brass to your creedmore or 243 brass. Measure the inside diameter of the resized stuufed brass and compare.