{"product_id":"hpa-adapter-eu-series-to-m4-straight","title":"HPA Adapter EU Series to M4 (Straight)","description":"\u003cp\u003eInjection-moulded adapter enabling EU-series pistols to use M4 AEG magazines with HPA systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-strength injection-moulded polymer body\u003c\/li\u003e\n\u003cli\u003eStandard US-thread HPA fitting pre-installed\u003c\/li\u003e\n\u003cli\u003eIntegrated BB-retention system prevents feed loss\u003c\/li\u003e\n\u003cli\u003eRemovable magwell insert and shim set for tuning fit\u003c\/li\u003e\n\u003cli\u003eAccepts standard M4 AEG magazines via direct HPA feed\u003c\/li\u003e\n\u003cli\u003eDelivers consistent FPS without gas cooldown\u003c\/li\u003e\n\u003cli\u003ePerforms reliably in cold weather conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AirTac HPA Adapter EU to M4 converts EU-series gas blowback pistols to operate with standard M4 AEG magazines powered by high-pressure air. Precision-moulded from a strong polymer blend, the adapter offers a solid, lightweight construction that stands up to intense gameplay. The pre-installed US-thread fitting connects directly to your HPA line for easy setup, while the integrated BB-retention system maintains feed stability and prevents round loss during reloads.\u003cbr\u003e\u003cbr\u003eSwitching to HPA offers a significant boost in consistency and control. Each shot delivers stable FPS output without the temperature-related cooldown seen in traditional gas magazines, improving both accuracy and reliability in long engagements. Using standard M4 magazines increases ammunition capacity while keeping performance smooth even in cold conditions. Complete with magwell insert, shim set, and screw hardware, this adapter is a dependable upgrade for players demanding high-efficiency and all-weather readiness from their secondary platform.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRange Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAirTac’s HPA Adapters range converts traditional gas-powered replicas to use high-pressure air magazine systems with seamless reliability. Designed for multiple replica platforms, each adapter features precision-moulded construction, a secure BB-retention system, and standardised US-thread fittings for broad compatibility. The range combines rugged strength with practical installation, giving players smoother reloads and extended playtime through improved air efficiency and modular flexibility.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInjection-moulded polymer housings provide durability and consistent alignment\u003c\/li\u003e\n\u003cli\u003eStandard US-thread fittings ensure cross-system HPA compatibility\u003c\/li\u003e\n\u003cli\u003eIntegrated BB-retention systems prevent feed loss during reloads\u003c\/li\u003e\n\u003cli\u003eSupplied with magwell inserts, screws and shim sets for precise fitment\u003c\/li\u003e\n\u003cli\u003eAvailable for multiple pistol and SMG platforms for modular loadouts\u003c\/li\u003e\n\u003cli\u003eEngineered for reliability, consistency and long-term performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eBrand Statement:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAirTac specialise in developing high-performance HPA conversion systems for airsoft enthusiasts seeking consistent, efficient, and adaptable performance. Their focus on precision engineering and robust construction ensures every product delivers dependable field use, intuitive function, and lasting value.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSafety Information:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDo not exceed 150 PSI when operating any airsoft HPA adapter Always use air regulated by a secondary regulator Check PSI output before connecting air to the adapter Do not connect directly to unregulated air sources, CO2 systems, or high-pressure tanks Do not use with incompatible high-pressure air lines or fittings Always ensure correct setup and operation before use\u003c\/p\u003e","brand":"Airtac","offers":[{"title":"Default Title","offer_id":56942990492034,"sku":"AT-EU-M4","price":35.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/8224\/7217\/files\/HPAAdapterEUSeriestoM4_Straight.jpg?v=1790266248","url":"https:\/\/killerinstinctairsoft.co.uk\/products\/hpa-adapter-eu-series-to-m4-straight","provider":"Killer Instinct Tactical","version":"1.0","type":"link"}