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Discussion in 'Ammunition & Reloading' started by rick49, Apr 28, 2015.
could someone enlighten me as to what exact psi US commercial 7x57 ammo is loaded?
Which factory? Was it made in a SAAMI or CIP country? What temp is the ammo at? How much free bore does your rifle have? In short, only the factory can tell you.
SAAMI spec (for better or worse) is 46,000 CUP or 51,000 psi and CIP is 390 MPa or 56,564 psi.
That is what I was looking for thank you