Winchester longbeards xr "magnums"

[Woodsman10]

Any one have any experience with these? More oz. of shot but lower velocity. I picked some up on accident I believe.
How do they perform to the standard longbeards? Which imo are the best lead shells on the market.

Thanks

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[Tennessee Lead]

That's what I'm using
3" six shot 1&7/8 oz
They pattern good at 40