Harold, I'm just getting into 16 ga reloading and my new Sizemaster arrived a few days ago. Guidance from a friend who reloads for 16 is the CB 1078-16 in Cheddite hulls does go Bang but he sees powder migration past the wad base and the report and recoil are weaker than his typical load with Gualandi SG wads.
Friend suggested and I now have plenty of pink CB 1078-16's for use in black colored Remington Game Load hulls. They measure about .637" diameter across the seal surface - that's an average because they're not perfectly round. Also bought a big stock of G SG wads for use in fired RST hulls; they average about .660" base diameter. Easy to understand why the CB's might not be the best in Euro hulls like Cheddites.
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