{"product_id":"polarstar-f2-hpa-engine-for-airsoft-rifles-model-v2-m4-m16","title":"Polarstar F2 HPA Engine for Airsoft Rifles (Model: V2 \/ M4 M16)","description":"\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul class=\"productfeatures\"\u003e\n\u003cli\u003eExtremely lightweight and compact design\u003c\/li\u003e\n\u003cli\u003eDual solenoid design allows for open and closed bolt firing\u003c\/li\u003e\n\u003cli\u003eF2 FCU with LCD allows for easy tuning\u003c\/li\u003e\n\u003cli\u003eSpring loaded nozzle provides consistent loading force\u003c\/li\u003e\n\u003cli\u003eLightweight one piece poppet valve can operate at lower pressures\u003c\/li\u003e\n\u003cli\u003eEasily adjustable FPS can be used for both CQB and field use without having to change nozzles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eF2 is essentially a Mini Fusion Engine. It offers the same adjustability and performance as the Fusion Engine in a cylinder sized package.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"PolarStar","offers":[{"title":"Default Title","offer_id":48826538623159,"sku":"48826538623159","price":440.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/4408\/7991\/files\/image_2026-07-04_102301029.png?v=1783174969","url":"https:\/\/ftxtactical.net\/products\/polarstar-f2-hpa-engine-for-airsoft-rifles-model-v2-m4-m16","provider":"FTX Tactical LLC","version":"1.0","type":"link"}