Ed, B&P F1 loads have been repeatedly shown to be suitable factory prepared loads for old side-by-side’s.

But it is not by design. More by accident.

Shotgun shells are manufactured to meet industry std specifications.

Not old shotgun specifications.

I’m guessing your Alzheimer’s is in full blaze these days.

I used to think you were perseverating on this stuff because you were being purposefully stupid

It looks more to me like some sort of organic brain disease now.

Out there doing it best I can.