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I understand you can have different standards, but it is not consistent when one cartridge is rated at a higher maximum pressure by one organization but another cartridge is rated lower. I assumed...

I am not losing sleep over this or anything but when you use Quickload or GRT in developing a load it can make quite a difference to where you think a safe maximum might load be.

https://www.google.com/search?q=saami+maximum+pressure+223+remington&oq=&gs_lcrp=EgZjaHJvbWUqCQgBECMYJxjqAjIJCAAQIxgnGOoCMgkIARAjGCcY6gIyCQgCECMYJxjqAjIJCAMQIxgnGOoCMgkIBBAjGCcY6gIyCQgFECMYJxjqAjIJCAY...

I think the units they are measure in are irrelevant to what I am talking about. The point is, these are maximum pressures for operating in small arms. Why does one think it is safe to operate at a...

They definitely do differ. That was why I asked.
In the 223rem CIP is 7000psi higher then SAAMI, and in the 308win CIP is 2000psi lower???

Anyone know the difference (and why) for maximum load pressures?