Sig p320 X5 Legion build with sig's fcu

It’s amazingly easy to build an x5 legion with the sig custom works fire control unit. Sig makes it easy to pick what parts you want for your gun right from the get go. This one turned out great. It was a fun project to put together

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Build list:

https://www.ballisticallychallenged.com/pages/sig-p320-x5-legion-build

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