SKU: SG8900164
UPC: 798681659548
MPN: 8900164
The SIG Sauer Fire Control Unit 9mm Pistol is a precision-engineered modular component designed for shooters and gunsmiths who demand match-grade trigger performance and reliability. This fire control unit serves as the foundation for superior shot placement and consistency in duty and competitive applications, allowing users to build or upgrade their 9mm platforms effectively.
Constructed with refined trigger geometry and a hammer mechanism optimized for the 9mm Luger cartridge, this unit ensures consistent ignition across various ammunition types and environmental conditions. The precision-machined components are engineered to tight tolerances, reducing creep and providing a clean break—critical factors for tactical accuracy and weapon manipulation under stress.
Law enforcement armorers, precision shooters, and pistol builders benefit most from this component when upgrading standard trigger systems or assembling custom 9mm configurations. Compatibility extends across SIG Modular 9mm Pistol Systems, and while installation is designed to be straightforward, it requires basic gunsmithing knowledge for optimal results.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
