{"product_id":"polarstar-f2-hpa-engine-v2-m4-m16","title":"Polarstar F2 HPA Engine for Airsoft Rifles (Model: V2 \/ M4 M16)","description":"\u003ch3 data-start=\"164\" data-end=\"258\"\u003e\u003cstrong data-start=\"168\" data-end=\"258\"\u003ePolarStar F2 HPA Engine for V2 M4\/M16 Gearboxes – Compact Power, Precision Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"260\" data-end=\"707\"\u003eThe \u003cstrong data-start=\"264\" data-end=\"291\"\u003ePolarStar F2 HPA Engine\u003c\/strong\u003e represents the evolution of performance-driven airsoft technology. Built on the legendary DNA of the PolarStar Fusion Engine, the F2 delivers unmatched precision, versatility, and efficiency—now in an ultra-compact, cylinder-sized package. Whether you're building a CQB blaster or a DMR powerhouse, the F2 gives you complete control over your airsoft rifle’s performance with minimal hassle and maximum reliability.\u003c\/p\u003e\n\u003chr data-start=\"709\" data-end=\"712\"\u003e\n\u003ch3 data-start=\"714\" data-end=\"755\"\u003e\u003cstrong data-start=\"718\" data-end=\"755\"\u003eCompact, Lightweight, and Modular\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"757\" data-end=\"1113\"\u003eDesigned for the Version 2 gearbox shell (standard in most M4\/M16 platforms), the F2 HPA Engine measures just 4 inches in length and is crafted from durable aluminum alloy. Its lightweight, drop-in design ensures compatibility with a wide range of airsoft AEGs, making installation quick and straightforward while reducing weight and increasing durability.\u003c\/p\u003e\n\u003chr data-start=\"1115\" data-end=\"1118\"\u003e\n\u003ch3 data-start=\"1120\" data-end=\"1180\"\u003e\u003cstrong data-start=\"1124\" data-end=\"1180\"\u003eDual Solenoid Design for True Closed-Bolt Capability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1182\" data-end=\"1594\"\u003eOne of the standout features of the F2 is its \u003cstrong data-start=\"1228\" data-end=\"1252\"\u003edual solenoid system\u003c\/strong\u003e, which separates nozzle and poppet valve control. This allows for unparalleled tuning freedom over the air volume and loading timing. The result? Better air efficiency, improved consistency, and the ability to switch between traditional AEG operation and true \u003cstrong data-start=\"1513\" data-end=\"1540\"\u003eclosed-bolt firing mode\u003c\/strong\u003e for more precise shots—ideal for snipers or marksmen.\u003c\/p\u003e\n\u003chr data-start=\"1596\" data-end=\"1599\"\u003e\n\u003ch3 data-start=\"1601\" data-end=\"1661\"\u003e\u003cstrong data-start=\"1605\" data-end=\"1661\"\u003eExceptional Efficiency with Lower Pressure Operation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1663\" data-end=\"2068\"\u003eThe F2 integrates a \u003cstrong data-start=\"1683\" data-end=\"1721\"\u003eone-piece lightweight poppet valve\u003c\/strong\u003e, optimized to run at lower pressures while maintaining excellent shot-to-shot consistency. This new design requires less air per shot, improving efficiency without compromising performance. The system operates at pressures ranging from \u003cstrong data-start=\"1958\" data-end=\"1975\"\u003e45 to 145 PSI\u003c\/strong\u003e, allowing players to reach velocities between \u003cstrong data-start=\"2022\" data-end=\"2045\"\u003e205 FPS and 500 FPS\u003c\/strong\u003e using a single nozzle.\u003c\/p\u003e\n\u003chr data-start=\"2070\" data-end=\"2073\"\u003e\n\u003ch3 data-start=\"2075\" data-end=\"2126\"\u003e\u003cstrong data-start=\"2079\" data-end=\"2126\"\u003eSpring-Loaded Nozzle for Consistent Feeding\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2128\" data-end=\"2458\"\u003eUnlike traditional systems, the F2's \u003cstrong data-start=\"2165\" data-end=\"2189\"\u003espring-biased nozzle\u003c\/strong\u003e ensures a consistent BB loading force, regardless of operating pressure. With both light and heavy spring options available, players can fine-tune the loading force based on build type and BB weight, minimizing misfeeds and maximizing reliability—even under full-auto.\u003c\/p\u003e\n\u003chr data-start=\"2460\" data-end=\"2463\"\u003e\n\u003ch3 data-start=\"2465\" data-end=\"2514\"\u003e\u003cstrong data-start=\"2469\" data-end=\"2514\"\u003eTool-Free Tuning with F2 FCU \u0026amp; LCD Screen\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2516\" data-end=\"2784\"\u003eTuning your setup has never been easier thanks to the \u003cstrong data-start=\"2570\" data-end=\"2609\"\u003eincluded F2 Fire Control Unit (FCU)\u003c\/strong\u003e, which features a \u003cstrong data-start=\"2628\" data-end=\"2650\"\u003ebacklit LCD screen\u003c\/strong\u003e for intuitive configuration. Adjust dwell time, rate of fire, burst modes, and firing sequence right on the field—no computer needed.\u003c\/p\u003e\n\u003chr data-start=\"2786\" data-end=\"2789\"\u003e\n\u003ch3 data-start=\"2791\" data-end=\"2836\"\u003e\u003cstrong data-start=\"2795\" data-end=\"2836\"\u003eCQB to DMR Ready—Without Nozzle Swaps\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2838\" data-end=\"3103\"\u003eThe robust internal design and wide PSI range let you use the F2 for almost any role. From \u003cstrong data-start=\"2929\" data-end=\"2950\"\u003eindoor CQB arenas\u003c\/strong\u003e to \u003cstrong data-start=\"2954\" data-end=\"2987\"\u003elong-range outdoor DMR setups\u003c\/strong\u003e, you can fine-tune your FPS and air volume using your FCU, without the need to swap nozzles or rebuild your engine.\u003c\/p\u003e\n\u003chr data-start=\"3105\" data-end=\"3108\"\u003e\n\u003ch3 data-start=\"3110\" data-end=\"3133\"\u003e\u003cstrong data-start=\"3114\" data-end=\"3133\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"3134\" data-end=\"3343\"\u003e\n\u003cli data-start=\"3134\" data-end=\"3160\"\u003e\n\u003cp data-start=\"3136\" data-end=\"3160\"\u003e\u003cstrong data-start=\"3136\" data-end=\"3146\"\u003eModel:\u003c\/strong\u003e V2 \/ M4 M16\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3161\" data-end=\"3201\"\u003e\n\u003cp data-start=\"3163\" data-end=\"3201\"\u003e\u003cstrong data-start=\"3163\" data-end=\"3186\"\u003eOperating Pressure:\u003c\/strong\u003e 45 - 145 PSI\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3202\" data-end=\"3243\"\u003e\n\u003cp data-start=\"3204\" data-end=\"3243\"\u003e\u003cstrong data-start=\"3204\" data-end=\"3223\"\u003eVelocity Range:\u003c\/strong\u003e 205 FPS - 500 FPS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3244\" data-end=\"3276\"\u003e\n\u003cp data-start=\"3246\" data-end=\"3276\"\u003e\u003cstrong data-start=\"3246\" data-end=\"3259\"\u003eMaterial:\u003c\/strong\u003e Aluminum alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3277\" data-end=\"3295\"\u003e\n\u003cp data-start=\"3279\" data-end=\"3295\"\u003e\u003cstrong data-start=\"3279\" data-end=\"3290\"\u003eLength:\u003c\/strong\u003e 4\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3296\" data-end=\"3343\"\u003e\n\u003cp data-start=\"3298\" data-end=\"3343\"\u003e\u003cstrong data-start=\"3298\" data-end=\"3316\"\u003eCompatibility:\u003c\/strong\u003e Most Version 2 gearboxes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3345\" data-end=\"3348\"\u003e\n\u003ch3 data-start=\"3350\" data-end=\"3381\"\u003e\u003cstrong data-start=\"3354\" data-end=\"3381\"\u003eAbout PolarStar Airsoft\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3383\" data-end=\"3786\"\u003ePolarStar is the gold standard in high-performance HPA airsoft engineering. Founded in 2009, they revolutionized the industry with the release of the Fusion Engine and continue to innovate with each new system. Proudly \u003cstrong data-start=\"3602\" data-end=\"3621\"\u003eMade in the USA\u003c\/strong\u003e, PolarStar products are manufactured with aerospace precision, and designed for serious players who demand reliability, customization, and performance on the field.\u003c\/p\u003e\n\u003chr data-start=\"3788\" data-end=\"3791\"\u003e\n\u003cp data-start=\"3793\" data-end=\"3969\"\u003eWhether you’re a competitive speedsofter, Milsim specialist, or tech-savvy builder, the \u003cstrong data-start=\"3881\" data-end=\"3897\"\u003ePolarStar F2\u003c\/strong\u003e gives you the reliability and performance edge you’ve been waiting for.\u003c\/p\u003e\n","brand":"Polarstar","offers":[{"title":"Default Title","offer_id":47994932494566,"sku":"78070","price":625.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6393\/2390\/files\/3909_polarstar-78070-removebg-preview.png?v=1784175314","url":"https:\/\/ngrwzj-i1.myshopify.com\/products\/polarstar-f2-hpa-engine-v2-m4-m16","provider":"CQC Airsoft ","version":"1.0","type":"link"}