Sizing and neck reaming 300 AAC Blackout cases from .223/5.56 cases

Come along on a journey with me as I take free range pickup .223/5.56 brass and convert it into .300 AAC Blackout brass. In the second episode, I size the cut brass into .300 Blackout cases, ream the neck, and resize.
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#SevenStarTactical #Reloading #300Blackout #300BO #300AAC