Surely there is data for sierra 63grn semi point...it's nearly as old as I am... You be starting lowish n working up so it would be fine. Highly doubt the game changer will have more bearing surface so all things considered should even out.
Surely there is data for sierra 63grn semi point...it's nearly as old as I am... You be starting lowish n working up so it would be fine. Highly doubt the game changer will have more bearing surface so all things considered should even out.
75/15/10 black powder matters
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