How to roll crimp with BPI crimper

In this video I show you how to put a roll crimp on some 12 gauge hulls with a ballistic products incorporated (BPI) 12 gauge roll crimp tool.  It is really easy if you preheat the tool and learn from your mistakes (or from mine that I show in the video).  Makes a great looking shell AND they shoot well.   Got to put a good tight crimp or they won't always go bang.  Let me know if you have questions.

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