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Watch Chief Instructor The Rogue Banshee turn an 80% mup-1 from jsd supply into a Sig P320 Fire Control Unit. In this video, he walks you through each step from seating the mup-1 into the jig, bending and cutting the rails, drilling the holes, and opening the trigger slot. Enjoy this classic build video by TRB!

Members Only - Sig P320 MUP-1 Build

  • You will receive a download link on the checkout confirmation page. We will also send the download link to your email address. Video files are large and compressed into a zip file. Right click on the file and choose unzip.

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