According to the chart I have the Fiocchis are .001" BIGGER than the Nobel. I've never had a reason to actually make the change. So the question might be...""Can you go to Nobels from Fiocchis without ending up with primers you can seat with your finger?"
Even if they aren't loose-loose, they may leak soot and gases around the primer and into your action around the firing pin.
Keller
Even if they aren't loose-loose, they may leak soot and gases around the primer and into your action around the firing pin.
Keller