Quote Originally Posted by bigedp51 View Post
NATO EPVAT testing is the exact same testing method that the European CIP uses and are one in the same and both pressures are measured at the case mouth.
No, it is not the same, though this fallacy is WIDELY reported. CIP has NEVER measured pressure at the case mouth, excepting for rimfires. See the information from Hartmut Broemel at this location

Quote Originally Posted by bigedp51 View Post
When asked about pressures in a earlier posting I listed SAAMI 52,000 cup, SAAMI tranducer 55,000 psi and European CIP (NATO EPVAT) 62,000 psi. These three pressures are the exact same pressure measured by different means and standards.
No, they are not. The different equipment and different methods will yield different pressure numbers for the exact same shot.

Quote Originally Posted by bigedp51 View Post
That nifty pressure differential you referred to was taken with a strain gauge glued to the barrel and used a commercial cartridge as a pressure reference calibration point.
What the hell are you talking about? See above.