Good info, thank you.
I agree with you on length. I always load a new bullet by taking a dummy and seat it down a few thou at a time until it plunks and rotates freely and then a few more until it feeds smoothly. I load to the longest length
my shortest bbl can handle in a caliber. ( but for rifle I load for a specific gun).
I don't have access to the Sierra manual but my online search suggests the Sierra data may be 6.1gr. of Silhouette. Accurate/Ramshot manual list max of Silhouette with the Sierra 125 JHP as 5.1gr. with other 124 gr. projectiles going 5.4gr to 5.9 gr..
The variance between bullet and powder manufacturer's data always intrigues me.
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