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Sig Sauer P320 9mm Pistol with Romeo1 Red Dot, 1 Mag, Concealment Holster & Original Case Guns International #: 103174651 Seller's Inventory #: Category: 9mm Pistols - Sig Sauer Pistols Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com Seller: HeritageArms Member Since: 7/3/25 State: North Carolina Country: United States Number of Active Listings: 4 Seller: Private Seller Return Policy: 3 day inspection and return policy on used guns. Payment Types Accepted: Money Order, Cashier's Check, About Us: Connecting a lifetime collection of fine firearms with new owners who will honor them and put them to good use. These guns were well-cared-for and deserve to go to discerning shooters and collectors. Every firearm listed here has a history; let's give it a future. Description: Sig Sauer P320 9mm (9x19mm Parabellum) with one 17-round factory magazine, a mounted Romeo1 open emitter reflex sight, concealment holster & original hard plastic case. This firearm is from a well-cared-for private collection and is in very good used condition. It shows minor signs of honest use (see photos). The bore is clean and in great shape. Mechanically, the pistol is 100% sound and has been completely reliable. What's Included in the Sale: Sig Sauer P320 Pistol 1x 17-Round Factory Magazine Romeo1 Open Emitter Reflex Sight (with new battery installed) Concealment Holster Original Sig Sauer Hard Plastic Case A New Generation of Service: The M17/M18's Civilian Counterpart The Sig Sauer P320 is the civilian model of the legendary Sig Sauer M17 and M18, the official sidearms of all branches of the United States Armed Forces. After winning the military's exhaustive Modular Handgun System (MHS) competition, the P320 platform was selected to replace the Beretta M9, officially setting a new standard for service pistols. Its selection is a testament to its reliability, groundbreaking modularity, and superior ergonomics. Owning a P320 is owning the modern, battle-proven choice of America's warfighters. Key Features & Design: The genius of the Sig Sauer P320 lies in its revolutionary design, chosen for its adaptability and performance in the 21st century: Unmatched Modularity: The Fire Control Unit (FCU) The heart of the P320 is the serialized, removable Fire Control Unit (FCU). This allows the owner to easily change the pistol's frame, slide, barrel, and even caliber (e.g., from 9mm to .40 S&W) without buying a new firearm. This offers unprecedented versatility for any application. Crisp Striker-Fired Trigger The P320 features a smooth, clean trigger pull with a short, tactile reset. This design provides exceptional out-of-the-box accuracy and allows for rapid and precise follow-up shots, making it a favorite among both professional and civilian shooters. Fully Ambidextrous Function Designed for the modern shooter, the P320 comes standard with an ambidextrous slide catch and a user-reversible magazine release, ensuring comfortable and efficient operation for both right and left-handed individuals without compromise. Combat-Ready Accuracy & Optics-Ready Slide The P320 is renowned for its mechanical accuracy. Most modern P320 slides come factory-milled for red dot optics, allowing for the direct mounting of sights like the ROMEO1Pro and Leupold DeltaPoint Pro. This makes it an exceptionally capable platform for any shooting discipline. Durable Nitron Finish The rugged Nitron finish on the slide provides superior corrosion and wear resistance, protecting the firearm from the elements and the rigors of daily use. This is a perfect handgun for duty use, competitive shooting, or anyone wanting a versatile, modern pistol for home and personal defense. It represents the cutting edge of combat handgun technology and modularity. Price: $549.99 Handgun Caliber: 9x19mm Parabellum (9mm Luger, 9x19mm NATO) Manufacturer: Sig Sauer Model: P320 Serial Number: 58C018439 Barrel Length: 119mm Condition: Very Good Weight: 833 g Manufacture Date: 2018