{"product_id":"polarstar-f2-conversion-kit-v2-m4-m16","title":"PolarStar F2 Conversion Kit V2 M4-M16","description":"\u003ch2\u003ePolarStar F2 V2 HPA Conversion Kit – M4 AEG Gearbox\u003c\/h2\u003e\n\u003cp\u003eThe PolarStar F2 is a highly adaptable HPA engine designed to replace the Version 2 gearbox in M4\/AR-style AEG rifles. Known for its efficiency, precision, and durability, the F2 offers the performance of a dual-solenoid HPA system in a compact, drop-in package.\u003c\/p\u003e\n\u003ch3\u003eHigh Performance HPA System\u003c\/h3\u003e\n\u003cp\u003eThe dual-solenoid design provides independent control over the nozzle and poppet, allowing fine-tuned adjustments to dwell and air efficiency. This makes the F2 versatile across a wide range of configurations, from CQB setups to long-range builds.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrop-in replacement for Version 2 M4\/AR-style AEG gearboxes\u003c\/li\u003e\n\u003cli\u003eDual-solenoid design for precise air control\u003c\/li\u003e\n\u003cli\u003eAdjustable velocity and rate of fire\u003c\/li\u003e\n\u003cli\u003eCompatible with most M4 AEG platforms\u003c\/li\u003e\n\u003cli\u003eOperates from 45–145 PSI input pressure\u003c\/li\u003e\n\u003cli\u003eCompatible with PolarStar FCU and trigger boards\u003c\/li\u003e\n\u003cli\u003eLightweight, CNC-machined aluminum construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Tuning\u003c\/h3\u003e\n\u003cp\u003eThe F2 is capable of replicating a wide variety of rifle platforms thanks to its adjustable dwell and pressure ranges. Players can dial in performance for close-quarters limits or extend velocity for outdoor fields, all while maintaining excellent air efficiency.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngine type: Dual-solenoid HPA\u003c\/li\u003e\n\u003cli\u003eInput pressure: 45–145 PSI\u003c\/li\u003e\n\u003cli\u003eOperating platform: M4\/AR AEGs (Version 2 gearbox)\u003c\/li\u003e\n\u003cli\u003eMaterial: CNC-machined aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRequires an HPA tank, regulator, airline, and battery (sold separately).\u003c\/p\u003e\n\u003ch3\u003eRequired Accessories\u003c\/h3\u003e\n\u003cp\u003eTo complete your setup, the PolarStar F2 requires several accessories, all available at Badlands:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/badlandspaintball.com\/hpa-compressed-air-paintball-tanks.html\/\" rel=\"nofollow noopener\" target=\"_blank\"\u003eHPA air tanks\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto power your system\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/badlandspaintball.com\/airsoft-hpa.html\" rel=\"nofollow noopener\" target=\"_blank\"\u003eCompatible HPA regulators\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto control input pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/badlandspaintball.com\/airsoft-hpa.html\" rel=\"nofollow noopener\" target=\"_blank\"\u003eAirsoft HPA lines\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor connecting tank to rifle\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/badlandspaintball.com\/airsoft-batteries.html\" rel=\"nofollow noopener\" target=\"_blank\"\u003eLiPo batteries\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ewith JST connector to power the Fire Control Unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat gearboxes does the F2 V2 fit?\u003c\/h3\u003e\n\u003cp\u003eThe F2 V2 is designed as a drop-in replacement for Version 2 gearboxes, commonly found in M4\/AR-style AEG rifles. It will not fit Version 3 or other gearbox types without modification.\u003c\/p\u003e\n\u003ch3\u003eWhat PSI range does the PolarStar F2 operate at?\u003c\/h3\u003e\n\u003cp\u003eThe recommended input pressure range is 45–145 PSI. Performance can be tuned within this range to meet field velocity requirements.\u003c\/p\u003e\n\u003ch3\u003eWhat accessories do I need to run the F2?\u003c\/h3\u003e\n\u003cp\u003eIn addition to the F2 engine, you will need an HPA tank, an air regulator, a line, and a battery to power the Fire Control Unit (FCU). These items are sold separately.\u003c\/p\u003e\n\u003ch3\u003eDoes the F2 support adjustable velocity?\u003c\/h3\u003e\n\u003cp\u003eYes. The dual-solenoid design allows precise adjustment of velocity and rate of fire by tuning dwell and input pressure. This makes it suitable for both CQB and outdoor field limits.\u003c\/p\u003e\n\u003ch3\u003eIs the F2 compatible with standard AEG magazines?\u003c\/h3\u003e\n\u003cp\u003eYes. Since it uses the original AEG gearbox shell, it retains compatibility with most standard AEG magazines for M4\/AR-style rifles.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ICS","offers":[{"title":"Default Title","offer_id":42291361579054,"sku":null,"price":639.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0021\/9253\/9692\/files\/62PLR10000258-polarstar-f2-v2-hpa-conversion-kit-m4__52377.webp?v=1776983068","url":"https:\/\/www.007airsoft.com\/products\/polarstar-f2-conversion-kit-v2-m4-m16","provider":"007 Airsoft Ltd.","version":"1.0","type":"link"}