SIG Sauer Custom Works P320 Fire Control Unit - Titanium Nitride

Manufactured by Sig Sauer
SKU: 8900160
MPN: 8900160
Manufactured by Sig Sauer
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Items that are regulated by the ATF have restrictions and requirements: 
•Your entire order will ship only to a Federal-Firearm License holder.
•Please contact your local FFL prior to placing your order to ensure they are still accepting transfers.
•A copy of your order/invoice as well as the current FFL license for your local dealer must be emailed to



Build your own P320 with the SIG Sauer Custom Works P320 Fire Control Unit. The P320 was built with modularity in mind allowing you to easily swap out grip frames, slides, and even change calibers to easily meet your needs. Now you can start from the ground up with a premium FCU. The SIG P320 FCU features a Titanium Nitride finish and a flat faces skeletonized trigger. The Titanium Nitride finish is exclusive to this fire control unit and includes a custom serial number. It is compatible with all 9mm/357SIG/40S&W P320 post upgrade accessories. Get started on your new custom build today.

  • Titanium Nitride frame and trigger
  • Flat faces skeletonized trigger
  • Custom FCU serial number
  • Ambidextrous slide release
  • Compatible with all 9mm/357SIG/40S&W P320 post upgrade accessories

Sig Sauer is a world-renowned firearms manufacturer with a rich history of innovation and design leadership. No other firearms manufacturer is so highly regarded and so universally respected for the quality, reliability, and safety of its products. Since 1864 they have expanded their product line to include suppressors, optics, ammo, and airguns to provide customers with a greater range of firearms and equipment.
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BrandSig Sauer
Caliber Gauge9mm Luger

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