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I am sure this has been put up before but it is still good refference material. Scroll down to the bottom for the primer info, most of it deals with overpressure.
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You gotta wonder why they are different?

Different charge weight
different projectile
different primer
different primer seating pressure
different case prep ( resize etc )

Think about what...

Do the firing pins on tikka's rust more than other styles? Is it down to the amount of body fluids injected into them?

My opinion is that the primers are a wee bit proud on the misfire cases.