[SHOT 2019] Fire Control Unit’s X03 – A P320 FCU based AR-15
By Nicholas C
Fire Control Unit is the name of the company that made a PDW chassis for the P320 FCU. Check out Pete’s review if you don’t know what I am talking about. Fire Control Unit capitalized on the modularity of the Sig Sauer P320 since the FCU or trigger pack is the serialized firearm they took […]
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Source:: The Firearm Blog
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