{"product_id":"polarstar-v2-hop-up-thing-gearbox-lip-0-275-for-jack-f2-silver","title":"PolarStar V2 Hop Up Thing Gearbox Lip 0.275\" for JACK\/F2 - Silver","description":"\u003ch2\u003ePolarStar V2 Hop Up Thing Gearbox Lip 0.275\" for JACK\/F2 - Silver\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe PolarStar V2 Hop Up Thing Gearbox Lip 0.275\" is a tighter replacement for the standard gearbox lip supplied with the PolarStar Hop Up Thing. The silver 0.275\" version is designed specifically for PolarStar JACK and F2 HPA engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe gearbox lip supports the nozzle and reduces unwanted sideways movement during feeding. With the correct nozzle alignment, the tighter fit can help reduce mid-cap syndrome, improve loading consistency and support more repeatable hop-up performance.\u003c\/p\u003e\n\n\u003cp\u003eThe 0.275\" inner diameter leaves approximately 0.0025\" \/ 0.064 mm of clearance on each side of a compatible JACK or F2 nozzle.\u003c\/p\u003e\n\n\u003ch3\u003eImportant\u003c\/h3\u003e\n\n\u003cp\u003eThis component reduces nozzle deflection but does not correct nozzle misalignment. If the nozzle is not correctly aligned with the inner-barrel bore, the gearbox or HPA engine position must be adjusted separately.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePolarStar V2 Hop Up Thing\u003c\/li\u003e\n\u003cli\u003ePolarStar JACK\u003c\/li\u003e\n\u003cli\u003ePolarStar F2\u003c\/li\u003e\n\u003cli\u003eDesigned for nozzle diameters requiring the 0.275\" gearbox lip\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDrop-in replacement for the standard Hop Up Thing gearbox lip\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for JACK and F2 engines\u003c\/li\u003e\n\u003cli\u003eSupports the nozzle to reduce sideways deflection\u003c\/li\u003e\n\u003cli\u003eHelps reduce mid-cap syndrome when the nozzle is correctly aligned\u003c\/li\u003e\n\u003cli\u003eCan improve loading and hop-up consistency\u003c\/li\u003e\n\u003cli\u003e0.275\" inner diameter\u003c\/li\u003e\n\u003cli\u003e0.440\" outer diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eManufacturer: PolarStar\u003c\/li\u003e\n\u003cli\u003eProduct type: Hop Up Thing gearbox lip\u003c\/li\u003e\n\u003cli\u003eCompatibility: PolarStar JACK \/ F2\u003c\/li\u003e\n\u003cli\u003eInner diameter: 0.275\"\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 0.440\"\u003c\/li\u003e\n\u003cli\u003eApproximate nozzle clearance: 0.0025\" \/ 0.064 mm per side\u003c\/li\u003e\n\u003cli\u003eColour: silver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PolarStar Engineering \u0026 Machine, LLC","offers":[{"title":"Default Title","offer_id":58559055823196,"sku":"10001495","price":12.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/6636\/2610\/files\/silver3_eaa6afbe-48a7-4cd8-b3aa-fb77c4f1156a.webp?v=1786711557","url":"https:\/\/atom-airsoft.fi\/en-gr\/products\/polarstar-v2-hop-up-thing-gearbox-lip-0-275-for-jack-f2-silver","provider":"Atom Airsoft","version":"1.0","type":"link"}