{"product_id":"hpa-set-full-drop-in-conversion-kit","title":"HPA DROP-IN KIT - Full HPA Universal Drop‑In Kit for Gearbox V2 (M4 Rear‑Wired)","description":"The \u003cstrong\u003eHP‑R STORM System\u003c\/strong\u003e is a universal, electro‑pneumatic HPA engine designed for \u003cstrong\u003eVersion 2 gearboxes with M4‑style rear wiring\u003c\/strong\u003e. Built for players who want the precision, consistency and responsiveness of HPA without the complexity of full custom builds, the STORM System delivers a clean drop‑in upgrade with digital control and an adjustable nozzle for perfect tuning.\u003cbr\u003e\u003cbr\u003ePowered exclusively by an \u003cstrong\u003e11.1V LiPo\u003c\/strong\u003e, the HP‑R uses a fast‑cycling solenoid and a dedicated \u003cstrong\u003eFCU with LCD screen\u003c\/strong\u003e, giving you full control over firing modes, valve timing and performance settings.\u003cbr\u003e\u003cdiv\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectro‑pneumatic HPA system\u003c\/strong\u003e for V2 gearboxes\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003eM4‑type replicas with rear wiring\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable nozzle\u003c\/strong\u003e for precise feeding and compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital FCU with LCD screen\u003c\/strong\u003e for easy programming\u003c\/li\u003e\n\u003cli\u003eAdjustable \u003cstrong\u003efiring modes\u003c\/strong\u003e: Semi, Full‑Auto, Binary\u003c\/li\u003e\n\u003cli\u003eAdjustable \u003cstrong\u003esolenoid valve opening time\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePowered by \u003cstrong\u003e11.1V LiPo ONLY\u003c\/strong\u003e (battery not included)\u003c\/li\u003e\n\u003cli\u003eSimple installation with included shims and mounting plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eIncluded in the Kit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable nozzle + \u003cstrong\u003e4 shims\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTrigger board riser plate\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFCU (Fire Control Unit)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLCD programming screen\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFlexible macro line\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection cable\u003c\/strong\u003e (FCU ↔ trigger board)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy It’s a Strong Upgrade\u003c\/strong\u003e\u003c\/h2\u003e\u003cbr\u003eThe HP‑R STORM System brings HPA performance to standard V2 platforms without requiring a full gearbox replacement. With digital tuning, consistent air delivery and a user‑friendly setup, it’s ideal for players who want to step into HPA with a system that’s accessible, reliable and highly adjustable.\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cbr\u003e\u003ciframe allow=\"autoplay; fullscreen; picture-in-picture\" allowfullscreen=\"True\" frameborder=\"0\" height=\"400\" src=\"https:\/\/www.youtube.com\/embed\/iMmoPdT4orE\" width=\"100%\"\u003e\u003c\/iframe\u003e","brand":"Outdoor Zone Ireland","offers":[{"title":"Default Title","offer_id":58711961108811,"sku":"A61275","price":279.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1066\/3362\/5931\/files\/Storm_HPA_setforV2_5.jpg?v=1791200850","url":"https:\/\/outdoorzone.ie\/products\/hpa-set-full-drop-in-conversion-kit","provider":"Outdoor Zone Ireland","version":"1.0","type":"link"}