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Sig Sauer P320-XTEN - 10mm - Used; Excellent Condition - Optics-Ready Full-Size Guns International #: 103611380 Seller's Inventory #: AI106410YEE5726 Category: Sig Sauer Pistols - P320 - Sig Sauer Pistols Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com Seller: PortersPawn Company: Porter's Pawn Member Since: 11/20/25 State: Arkansas Zip: 72653 Country: United States Phone: (870) 424-7296 Platinum Seller Number of Active Listings: 85 Total Number of Listings: 260 Seller: FFL Dealer Return Policy: 3 day inspection and return policy on used guns. Factory New Premium Rifles Ship Free to Lower 48 States. Payment Types Accepted: Credit and Debit Cards, Cash (in person), Money Orders, Checks (Via ACH), About Us: For over 30 years, Porter's Firearms has been the trusted choice for shooters of all experience levels. We offer an extensive selection of both premium new rifles and quality used firearms, ensuring there's something for every hunter and budget. Our expert staff provides personalized service for custom builds, optics selection, and complete rifle systems. Take advantage of flexible layaway plans and free shipping on premium rifles to the lower 48 states. From your first scope to a premium rifle system setup, we're here to help you shoot with confidence. Description: Sig Sauer P320-XTEN - 10mm - Used; Excellent Condition - Optics-Ready Full-Size Sig Sauer P320-XTEN – The Ultimate 10mm Modular Pistol For sale is a Sig Sauer P320-XTEN striker-fired semi-automatic pistol, chambered in the powerful 10mm Auto cartridge. This pistol is in excellent used condition and represents Sig's full-size, optics-ready offering in the popular and potent 10mm platform – ideal for hunting, backcountry defense, or target shooting. The P320-XTEN features a 5-inch barrel and is built on Sig Sauer's legendary modular P320 platform. It has a black polymer frame with an enlarged beavertail and high-tang grip for superior recoil control, a high undercut trigger guard, and an accessory rail for lights or lasers. The pistol is optics-ready with a factory-milled slide for direct red dot mounting. It comes equipped with X-RAY3 Day/Night sights (front tritium with green ring, rear tritium with green ring) for excellent low-light visibility. The pistol includes one 15-round magazine. Specifications Manufacturer: SIG Sauer GmbH & Co. KG Model: P320-XTEN Caliber: 10mm Auto Action: Recoil Operated Semi-Automatic, Striker-Fired (Single-Action) Barrel Length: 5" Overall Length: 8.5" Height: 5.6" Width: 1.3" Weight (Empty): 33 oz Magazine Capacity: 15+1 (One 15-Round Magazine Included) Frame: Black Polymer Grips: Integrated Polymer (Modular Grip Module) Sights: X-RAY3 Day/Night Sights (Tritium Front & Rear) Optics Readiness: Yes (Factory-Milled Slide for Red Dot) Safety: No Manual Safety (Passive Internal Safeties) Features: Enlarged Beavertail, High-Tang Grip, High Undercut Trigger Guard, Accessory Rail Production: Began 2022 – Ongoing Condition: Used; Excellent What's Included Sig Sauer P320-XTEN Pistol One (1) 15-Round Magazine X-RAY3 Day/Night Sights (Installed) Note: No factory case or additional accessories included unless specified. P320-XTEN Features Potent 10mm Auto: The 10mm cartridge delivers significant power – ideal for hunting, backcountry protection against large predators, and long-range target shooting. Optics-Ready Slide: Factory milled for direct mounting of popular red dot sights – no adapter plates required. X-RAY3 Day/Night Sights: High-visibility tritium front and rear sights with green rings provide excellent low-light and daylight performance. Ergonomic Grip Design: Enlarged beavertail, high-tang grip, and high undercut trigger guard work together to reduce felt recoil and improve control during rapid fire. Modular P320 Platform: Swap grip modules, calibers, and configurations with the industry-leading modular design. Accessory Rail: MIL-STD-1913 rail for mounting lights, lasers, and other accessories. Excellent Condition: Well-maintained, clean, and fully functional. Ideal For: Hunting, backcountry defense, target shooting, and home defense. Condition Details Overall: Excellent condition with minimal signs of use. Mechanical Function: Excellent – Striker-fired action is crisp, slide cycles smoothly, trigger is predictable. Bore: Clean with sharp rifling. Polymer Frame: Clean with minimal handling marks; no cracks or damage. Slide & Barrel: Factory finish is in excellent condition with minimal wear. X-RAY3 Sights: Tritium illumination is bright; sights are clean and properly aligned. Optics Cut: Factory optics cover plate installed and secure. Magazine: Included 15-round magazine functions properly. The 10mm Advantage Heavy-Hitting Performance: 180-grain bullet at 1,150 fps delivers 529 ft-lbs of energy – ideal for medium game and large predator defense. Flat Trajectory: The 10mm offers a flatter trajectory than many other pistol hunting calibers, extending effective range. Versatile Loading: Available in a wide range of loadings, from mild practice rounds to full-power hunting loads. Backcountry Protection: The 10mm is a popular choice for hikers, hunters, and outdoorsmen in bear and mountain lion country. The P320 Legacy Modular Innovation: The P320 platform revolutionized the handgun industry with its modular fire control unit (FCU), allowing caliber and grip module changes without new serial numbers. Military Adoption: The P320 was adopted by the U.S. military as the M17 and M18, a testament to its reliability and performance. XTEN Variant: The XTEN brings all the benefits of the P320 platform to the powerful 10mm cartridge, with factory upgrades like the X-RAY3 sights and optics-ready slide. Excellent Condition: This well-maintained example is ready for hunting season or the range. All listings are available for purchase in-store; please place ato ensure this item is pulled from the showroom. See photos for details, and contact us if you have any questions! SOLD Handgun Caliber: 10mm Auto Manufacturer: Sig Sauer Model: P320 XTEN Serial Number: 58J315567 Barrel Length: 5 Inches Bore: Excellent Condition Chambers: Excellent Condition Condition: Excellent Condition Metal Condition: Excellent Condition - Minor Cosmetic Wear Wood Condition: No Wood; Does Not Apply Bore Condition: Clean, Clear, Excellent Condition Barrels: 1 Barrel Type: Standard Barrel Action: Striker Fired Single Action Semi-Automatic Triggers: 1