Thread: Case head separation imminent

Originally Posted by Moa Hunter

That bit about the origin of headspace dimensions for 270 is very interesting - and the wide variation possible, esp considering it is a 65000psi max case. Certainly the Xbolt fired cases I was given were way long. I didnt worry about that too much figuring they could handle one stretch / fireform from new ( hope I was right), they were then sized to just chamber nicely in the old BSA Hunter and loaded with a light load ( start load of 2217 for 2660 fps 130 partition) to mimic a light 7x57 load.

Hmmm,
Light load in a .270 BSA Hunter to mimic a light 7x57 load? Perhaps a 7x57 barrel is not far away?
GPM.