{"product_id":"hpa-airsoft-helden-airsoft-helden-hr556-10inch-s-hpa-airsoft-rilfe-black","title":"Airsoft Helden HR556 10inch S-HPA Airsoft Rilfe - Black","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe \u003cb\u003eAirsoft Helden HR556 (10-inch S-HPA)\u003c\/b\u003e is a high-performance High-Pressure Air (HPA) airsoft rifle engineered for players who demand instant trigger response, extreme FPS consistency, and custom tuning right out of the box.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Mechanical \u0026amp; Performance Highlights\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMechLabs XX-Mod HPA Engine:\u003c\/b\u003e Provides near-instantaneous solenoid trigger response, rock-solid shot-to-shot FPS consistency, and low air consumption. The engine uses a standard \u003cb\u003eUS-QD air supply connection\u003c\/b\u003e extending from the grip line for seamless integration with HPA air rigs and regulators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision Rotary Hop-Up \u0026amp; Tightbore Barrel:\u003c\/b\u003e Outfitted with the adjustable \u003cb\u003eMechLabs ROTO Hop-Up Chamber\u003c\/b\u003e paired with a \u003cb\u003e6.03mm precision tightbore inner barrel (292mm)\u003c\/b\u003e. This combination provides tight BB groupings and consistent backspin for lifting heavier ammo (0.28g to 0.36g+).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSide-Folding Stock Architecture:\u003c\/b\u003e Built with a rear \u003cb\u003e1913 Picatinny stock mounting base\u003c\/b\u003e and includes a side-folding aluminum stock. Because HPA systems do not require a receiver buffer tube or buffer spring, the stock folds flat against the receiver for easy storage and ultra-compact cornering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMonolithic M-LOK Handguard:\u003c\/b\u003e Features a 10-inch slimline M-LOK rail for mounting tactical flashlights, foregrips, and lasers, topped with a continuous upper Picatinny rail equipped with low-profile flip-up iron sights.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e14mm CCW Threaded Outer Barrel:\u003c\/b\u003e Standard counter-clockwise muzzle threading makes it simple to attach tracer units, mock suppressors, or muzzle brakes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Brand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAirsoft Helden\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eEngine System\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMechLabs XX-Mod Solenoid HPA Engine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAir Input Standard\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUS-QD (Quick Disconnect) Line\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eReceiver Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull CNC-Machined Aluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBarrel Spec\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.03mm Tightbore Alloy Inner Barrel (292mm length)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eHop-Up Assembly\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMechLabs ROTO Rotary Chamber\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMagazine Included\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e190-Round Mid-Capacity AEG Magazine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eStock Interface\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRear 1913 Picatinny Rail Mount with Folding Aluminum Stock\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eControl Interfaces\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFully Ambidextrous Selector and Safety Controls\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e","brand":"Airsoft Helden","offers":[{"title":"Default Title","offer_id":71160860967165,"sku":"AH-111548","price":5070.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0082\/9502\/2628\/files\/airsoft-helden-hr556-10inch-s-hpa-airsoft-rilfe-blackairsoft-helden-hr556-10inch-s-hpa-airsoft-rilfe-blackhpa-airsoft-riflesairsoft-helden-2348779.jpg?v=1787199921","url":"https:\/\/www.bangbang.com.hk\/ko\/products\/hpa-airsoft-helden-airsoft-helden-hr556-10inch-s-hpa-airsoft-rilfe-black","provider":"Bang Bang Airsoft","version":"1.0","type":"link"}