I have been working with a Vierling as well

by Remington40x @, SE PA, Friday, May 01, 2020, 09:42 (837 days ago) @ Hoot


Dumb question, but did you slug the bore?

And to my recollection, the bullets for this cartridge are in the 35 grain range and very short, so the twist rate may not stabilize anything longer or heavier at the velocities you are loading to.

Just a thought.


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