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Heavy bullets are typically higher in BC and bullets with higher BC's resist wind deflection better than light bullets and maintain downrange velocity better than light bullets.... Given those parameters its less difficult to shoot heavier bullets more accurately the further downrange the target gets.... something to consider when working with a caliber that doesnt offer a lot of bullet expansion on live targets.
That being said if you know your target will be close in and/or you know that you'll never shoot anything heavier than 220gr , a 10 twist will work fine.
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Threaded Mode