FCU

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Unveiling the Heart of P320: The Game-Changing Fire Control Unit

The Sig Sauer P320 series has revolutionized the modern firearm market, primarily due to its innovative Fire Control Unit (FCU). The FCU is a notable shift from traditional firearm designs, not just as a mere piece of machinery, but the operational core of the gun. This critical component includes the trigger, the sear, the slide release, and other primary components—an…