The only way to get a true BC for your rifle is to shoot to distance from your rifle and true your data to suit. AB have already started to notice big shifts in BC in rifles as they wear let alone between different twist rates and barrel types.
The only way to get a true BC for your rifle is to shoot to distance from your rifle and true your data to suit. AB have already started to notice big shifts in BC in rifles as they wear let alone between different twist rates and barrel types.
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