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HK P9S Sport Group III kit includes standard and extended barrel with a compensator Guns International #: 103727668 Seller's Inventory #: ACA-HK004 Category: Heckler & Koch Pistols - 9mm Pistols Seller's Information When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com Seller: aantonacci Company: North Atlantic Sportsman Member Since: 3/7/25 State: Connecticut Zip: 06877 Country: United States Phone: (203) 962-4727 Number of Active Listings: 2 Total Number of Listings: 11 Seller: Private Seller Return Policy: 3 day inspection and return policy on used guns. Payment Types Accepted: Description: Heckler & Koch P9s: SN135812 The HK P9S is a highly regarded roller-delayed blowback pistol, and the "Target" or "Sport" variants (often categorized into Groups) represent the pinnacle of its precision engineering. This  HK P9S is the Sport Group III kit, which was designed for competition and  includes both a standard and an extended barrel with a compensator on the extended barrel to provide balance and reduce muzzle flip.   Technical Specifications (Sport/Target Models) Feature9mm Parabellum Specs ActionRoller-delayed blowback Extended Barrel Length 5.5 inches (140 mm) Standard Barrel Length  4.0 inches (102 mm) Rifling Polygonal (4 or 6 sided) Trigger Pull (Match)~2.5 - 3.5 lbs (Adjustable) Sight RadiusApprox. 7.5 inches Magazine Capacity  9 rounds (six magazines; $900 value) Weight (with weight)~35–38 oz (990–1070g) Key Features of the Target/Sport Setup The Barrel Weight (Compensator): Unlike modern "ported" compensators that vent gas, the P9S Sport weight is a solid piece of steel that slides over the extended 5.5" barrel. It is secured by a cross-screw and provides significant front-end mass to stabilize the pistol during rapid fire. Matching spare Carry slide assembly with 4" barrel  Match Trigger: The Target models include an adjustable over-travel stop (a small screw behind the trigger) and a significantly lightened single-action break compared to the service model.3 Polygonal Rifling: This unique barrel design provides a better gas seal, which H&K claimed increased muzzle velocity (approx. 1,280  fps for 9mmP in the Sport barrel vs 1,150  fps  in the standard). Sights: These models feature a tall "shark fin" front sight and a fully adjustable micrometer rear sight (windage and elevation). Grips: Polymer grips  featuring a thumb shelf OWB & IWB Wright Leather Holsters: ( $275 value) Case and Kydex OWB holster  Price: $4,000.00 Handgun Caliber: 9x19mm Parabellum (9mm Luger, 9x19mm NATO) Manufacturer: Heckler & Koch Model: P9s Sport Model Serial Number: SN135812 Barrel Length: 5.5” Sport; 4" Carry Condition: Excellent Metal Condition: Very Good Bore Condition: Excellent Sights: shark fin" front sight and a fully adjustable micrometer rear sight (windage and elevation).