SKU: SG320SXGF-9-CW-RES
UPC: 798681692620
MPN: 320SXGF-9-CW-RES
The SIG Sauer P320 Reserve 9mm 3.9" 21-round pistol represents a purpose-built duty and defensive platform designed for law enforcement, military, and civilian operators who demand reliability under pressure. This full-size striker-fired platform combines SIG's proven P320 modular architecture with enhanced ergonomics and a factory-installed compensator that reduces felt recoil and muzzle rise—critical advantages in high-stress engagement scenarios. The 21-round capacity delivers extended magazine supply without excessive frame size, making it suitable for both duty carry and home defense applications.
The integrated compensator leverages port geometry to direct propellant gases upward and rearward, countering muzzle flip and allowing faster target reacquisition during rapid-fire drills. SIG's striker mechanism delivers a consistent trigger press with predictable reset, enabling precision shot placement even during sustained fire. The 3.9-inch barrel balances velocity retention with maneuverability, producing approximately 1,150–1,200 feet per second with standard 147-grain ammunition while maintaining a compact enough profile for duty belt and vehicle carry. The Reserve series finish provides corrosion resistance in harsh operational environments, and the pistol's weight of 3.94 pounds sits within optimal parameters for all-day carry without fatigue.
Law enforcement agencies, special operations units, and serious civilian defenders benefit most from this platform's combination of capacity, controllability, and accuracy potential. The compensator is factory-installed and fully integrated into the slide profile, requiring no additional tuning or break-in period. Standard holsters and tactical gear designed for the P320 full-size frame are fully compatible, ensuring seamless integration into existing duty rigs and training regimens. Operators transitioning from polymer-frame service pistols will find the ergonomic layout and controls immediately intuitive, reducing training overhead and accelerating proficiency.
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