{"product_id":"polarstar-f2-hpa-engine-for-airsoft-rifles-model-v3-ak-1","title":"Polarstar F2 HPA Engine for Airsoft Rifles (Model: V3 \/ AK)","description":"\u003cp data-start=\"0\" data-end=\"95\"\u003e\u003cstrong data-start=\"0\" data-end=\"95\"\u003ePolarStar F2 HPA Engine for V3 AK Gearboxes – Precision Performance in a Compact Powerhouse\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp data-start=\"97\" data-end=\"543\"\u003eTake your airsoft rifle to the next level with the \u003cstrong data-start=\"148\" data-end=\"197\"\u003ePolarStar F2 HPA Engine for V3 \/ AK Platforms\u003c\/strong\u003e. Designed for peak performance, incredible air efficiency, and precise control, the F2 is a compact, lightweight powerhouse that delivers the same performance and flexibility as the acclaimed Fusion Engine—just in a cylinder-sized package. Whether you're building a CQB blaster or a long-range DMR, the F2 gives you full control over every shot.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"545\" data-end=\"548\"\u003e\r\n\r\n\u003ch3 data-start=\"550\" data-end=\"595\"\u003eCompact Innovation with Elite Engineering\u003c\/h3\u003e\r\n\u003cp data-start=\"597\" data-end=\"921\"\u003eThe PolarStar F2 was engineered for players who demand the best in adjustability, durability, and consistency. This \u003cstrong data-start=\"713\" data-end=\"759\"\u003edrop-in HPA engine for Version 3 gearboxes\u003c\/strong\u003e, such as those found in most \u003cstrong data-start=\"789\" data-end=\"832\"\u003eAK-style AEGs (especially LCT-type AKs)\u003c\/strong\u003e, is built to offer \u003cstrong data-start=\"852\" data-end=\"920\"\u003eFusion Engine performance in a lightweight and more compact form\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003cp data-start=\"923\" data-end=\"1084\"\u003eIts \u003cstrong data-start=\"927\" data-end=\"966\"\u003eCNC-machined aluminum alloy housing\u003c\/strong\u003e ensures long-term reliability under field conditions, while the design keeps your rifle lightweight and maneuverable.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"1086\" data-end=\"1089\"\u003e\r\n\r\n\u003ch3 data-start=\"1091\" data-end=\"1147\"\u003eDual Solenoid Advantage – Closed or Open Bolt Firing\u003c\/h3\u003e\r\n\u003cp data-start=\"1149\" data-end=\"1390\"\u003eAt the heart of the F2 lies a \u003cstrong data-start=\"1179\" data-end=\"1212\"\u003epatented dual solenoid system\u003c\/strong\u003e. Unlike single-solenoid HPA engines, the F2 allows independent control of the \u003cstrong data-start=\"1291\" data-end=\"1310\"\u003enozzle movement\u003c\/strong\u003e and \u003cstrong data-start=\"1315\" data-end=\"1329\"\u003eair volume\u003c\/strong\u003e, which gives you unmatched customization over firing cycles.\u003c\/p\u003e\r\n\u003cp data-start=\"1392\" data-end=\"1638\"\u003eThis system also enables \u003cstrong data-start=\"1417\" data-end=\"1449\"\u003etrue closed-bolt firing mode\u003c\/strong\u003e for enhanced first-shot accuracy—ideal for DMR builds—or \u003cstrong data-start=\"1507\" data-end=\"1535\"\u003eAEG-style open-bolt mode\u003c\/strong\u003e for high-speed play. You can change the firing behavior on the fly using the \u003cstrong data-start=\"1613\" data-end=\"1637\"\u003eFCU with onboard LCD\u003c\/strong\u003e.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"1640\" data-end=\"1643\"\u003e\r\n\r\n\u003ch3 data-start=\"1645\" data-end=\"1692\"\u003eUnmatched Air Efficiency and Velocity Range\u003c\/h3\u003e\r\n\u003cp data-start=\"1694\" data-end=\"1864\"\u003eThanks to the \u003cstrong data-start=\"1708\" data-end=\"1750\"\u003enew lightweight one-piece poppet valve\u003c\/strong\u003e, the F2 runs at \u003cstrong data-start=\"1767\" data-end=\"1813\"\u003elower pressures and uses less air per shot\u003c\/strong\u003e—increasing both efficiency and air tank longevity.\u003c\/p\u003e\r\n\u003cp data-start=\"1866\" data-end=\"2105\"\u003eWith an \u003cstrong data-start=\"1874\" data-end=\"1919\"\u003eoperating pressure range of 45 to 145 PSI\u003c\/strong\u003e, you can dial in your FPS anywhere from \u003cstrong data-start=\"1960\" data-end=\"1982\"\u003e205 FPS to 500 FPS\u003c\/strong\u003e using just \u003cstrong data-start=\"1994\" data-end=\"2008\"\u003eone nozzle\u003c\/strong\u003e. No need to swap components for indoor or outdoor play—just adjust pressure and settings and go.\u003c\/p\u003e\r\n\u003cp data-start=\"2107\" data-end=\"2276\"\u003eThe \u003cstrong data-start=\"2111\" data-end=\"2150\"\u003espring-loaded forward-biased nozzle\u003c\/strong\u003e guarantees consistent loading force regardless of PSI. This ensures smooth feeding even with varied magazines and BB weights.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"2278\" data-end=\"2281\"\u003e\r\n\r\n\u003ch3 data-start=\"2283\" data-end=\"2318\"\u003eWhy Choose the PolarStar F2 V3?\u003c\/h3\u003e\r\n\u003cul data-start=\"2320\" data-end=\"2812\"\u003e\r\n \t\u003cli data-start=\"2320\" data-end=\"2399\"\u003e\r\n\u003cp data-start=\"2322\" data-end=\"2399\"\u003e\u003cstrong data-start=\"2322\" data-end=\"2356\"\u003eLightweight and compact design\u003c\/strong\u003e for improved balance and maneuverability\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2400\" data-end=\"2483\"\u003e\r\n\u003cp data-start=\"2402\" data-end=\"2483\"\u003e\u003cstrong data-start=\"2402\" data-end=\"2447\"\u003eDrop-in compatible with most V3 gearboxes\u003c\/strong\u003e, especially AK platforms like LCT\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2484\" data-end=\"2554\"\u003e\r\n\u003cp data-start=\"2486\" data-end=\"2554\"\u003e\u003cstrong data-start=\"2486\" data-end=\"2510\"\u003eSpring-loaded nozzle\u003c\/strong\u003e provides reliable feeding at any pressure\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2555\" data-end=\"2599\"\u003e\r\n\u003cp data-start=\"2557\" data-end=\"2599\"\u003e\u003cstrong data-start=\"2557\" data-end=\"2597\"\u003eAdjustable FPS for CQB to DMR builds\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2600\" data-end=\"2680\"\u003e\r\n\u003cp data-start=\"2602\" data-end=\"2680\"\u003e\u003cstrong data-start=\"2602\" data-end=\"2626\"\u003eDual solenoid design\u003c\/strong\u003e offers precise control over nozzle and valve timing\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2681\" data-end=\"2737\"\u003e\r\n\u003cp data-start=\"2683\" data-end=\"2737\"\u003e\u003cstrong data-start=\"2683\" data-end=\"2694\"\u003eLCD FCU\u003c\/strong\u003e (Fire Control Unit) for intuitive tuning\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2738\" data-end=\"2812\"\u003e\r\n\u003cp data-start=\"2740\" data-end=\"2812\"\u003e\u003cstrong data-start=\"2740\" data-end=\"2812\"\u003eBuilt with top-tier American engineering and manufacturing standards\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-start=\"2814\" data-end=\"2817\"\u003e\r\n\r\n\u003ch3 data-start=\"2819\" data-end=\"2837\"\u003eSpecifications\u003c\/h3\u003e\r\n\u003cul data-start=\"2839\" data-end=\"3189\"\u003e\r\n \t\u003cli data-start=\"2839\" data-end=\"2868\"\u003e\r\n\u003cp data-start=\"2841\" data-end=\"2868\"\u003e\u003cstrong data-start=\"2841\" data-end=\"2851\"\u003eModel:\u003c\/strong\u003e F2 for V3 \/ AK\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2869\" data-end=\"2909\"\u003e\r\n\u003cp data-start=\"2871\" data-end=\"2909\"\u003e\u003cstrong data-start=\"2871\" data-end=\"2894\"\u003eOperating Pressure:\u003c\/strong\u003e 45 – 145 PSI\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2910\" data-end=\"2973\"\u003e\r\n\u003cp data-start=\"2912\" data-end=\"2973\"\u003e\u003cstrong data-start=\"2912\" data-end=\"2931\"\u003eVelocity Range:\u003c\/strong\u003e 205 – 500 FPS (with appropriate tuning)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"2974\" data-end=\"3006\"\u003e\r\n\u003cp data-start=\"2976\" data-end=\"3006\"\u003e\u003cstrong data-start=\"2976\" data-end=\"2989\"\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3007\" data-end=\"3041\"\u003e\r\n\u003cp data-start=\"3009\" data-end=\"3041\"\u003e\u003cstrong data-start=\"3009\" data-end=\"3020\"\u003eSystem:\u003c\/strong\u003e Dual Solenoid, HPA\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3042\" data-end=\"3066\"\u003e\r\n\u003cp data-start=\"3044\" data-end=\"3066\"\u003e\u003cstrong data-start=\"3044\" data-end=\"3055\"\u003eLength:\u003c\/strong\u003e 4 inches\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3067\" data-end=\"3127\"\u003e\r\n\u003cp data-start=\"3069\" data-end=\"3127\"\u003e\u003cstrong data-start=\"3069\" data-end=\"3087\"\u003eCompatibility:\u003c\/strong\u003e Most Version 3 gearboxes, LCT AK AEGs\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n \t\u003cli data-start=\"3128\" data-end=\"3189\"\u003e\r\n\u003cp data-start=\"3130\" data-end=\"3189\"\u003e\u003cstrong data-start=\"3130\" data-end=\"3143\"\u003eIncludes:\u003c\/strong\u003e F2 Engine, FCU, wiring, and required hardware\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003chr data-start=\"3191\" data-end=\"3194\"\u003e\r\n\r\n\u003ch3 data-start=\"3196\" data-end=\"3246\"\u003eBuilt by PolarStar – Leaders in HPA Innovation\u003c\/h3\u003e\r\n\u003cp data-start=\"3248\" data-end=\"3672\"\u003eSince 2009, \u003cstrong data-start=\"3260\" data-end=\"3281\"\u003ePolarStar Airsoft\u003c\/strong\u003e has led the charge in developing the world’s most advanced HPA systems. Backed by \u003cstrong data-start=\"3364\" data-end=\"3399\"\u003ePolarStar Engineering \u0026amp; Machine\u003c\/strong\u003e, an American manufacturing powerhouse, the company combines high-performance design with the craftsmanship of expert toolmakers. Their mission? Replace outdated AEG systems with reliable, tunable, and efficient HPA platforms that redefine the standard for serious players.\u003c\/p\u003e\r\n\r\n\r\n\u003chr data-start=\"3674\" data-end=\"3677\"\u003e\r\n\u003cp data-start=\"3679\" data-end=\"3934\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"3679\" data-end=\"3934\" data-is-last-node=\"\"\u003eDominate the field with the PolarStar F2 V3 – your gateway to precision airsoft performance. Whether you’re clearing tight corners or holding long sightlines, this engine gives you the control, efficiency, and speed you need to outplay the opposition.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Polarstar","offers":[{"title":"Default Title","offer_id":47468113658086,"sku":null,"price":631.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6393\/2390\/files\/169221ed-polarstar-82761-removebg-preview.png?v=1774002153","url":"https:\/\/ngrwzj-i1.myshopify.com\/products\/polarstar-f2-hpa-engine-for-airsoft-rifles-model-v3-ak-1","provider":"CQC Airsoft ","version":"1.0","type":"link"}