StaBall 6.5 is also worth a try.
I worked up to 56 gn with 200 gn Partitions for 2625 fps.
20 3/8" barrel
Winchester cases.
215 primers.
Cheers,
Walt
One unerring mark of the love of the truth is not entertaining any proposition with greater assurance than the proofs it is built upon will warrant. John Locke, 1690
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