{"product_id":"hpa-adapter-we-m4-to-m4","title":"HPA Adapter WE M4 to M4","description":"\u003cp\u003eA modular HPA adapter that converts compatible WE Open Bolt GBB rifles to use an external HPA system with Airsoft M4 AEG magazines.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with WE Open Bolt M4, SCAR-L, 416 and other WE Open Bolt rifle platforms.\u003c\/li\u003e\n\u003cli\u003eCompatible with Airsoft M4 AEG magazines.\u003c\/li\u003e\n\u003cli\u003ePlug and play installation with valve, feed lips and gas router pre-installed.\u003c\/li\u003e\n\u003cli\u003eInjection moulded polycarbonate M4 magazine well.\u003c\/li\u003e\n\u003cli\u003eNBR rubber gas router.\u003c\/li\u003e\n\u003cli\u003eIncludes interchangeable magazine fitment shims.\u003c\/li\u003e\n\u003cli\u003eSupplied with a US Foster HPA quick disconnect fitting.\u003c\/li\u003e\n\u003cli\u003eCompatible with interchangeable AIRTAC modular magwells.\u003c\/li\u003e\n\u003cli\u003eRecommended operating pressure: 90-150 PSI.\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 150 PSI.\u003c\/li\u003e\n\u003cli\u003eIntegrated BB retention system to minimise BB loss during magazine changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AIRTAC WE M4 to M4 HPA Adapter is a modular conversion adapter designed for compatible WE Open Bolt gas blowback rifle platforms. It replaces the standard gas magazine with an adapter that allows the replica to be powered by an external High Pressure Air system while feeding from Airsoft M4 AEG magazines.\u003cbr\u003e\u003cbr\u003eDesigned as a plug and play solution, the adapter is supplied with the valve, feed lips and gas router already installed, removing the need to transfer components from an existing magazine. Magazine fitment shims are included to help optimise magazine compatibility across a wide range of Airsoft M4 AEG magazines.\u003cbr\u003e\u003cbr\u003eThe modular construction allows the magazine well to be exchanged for other AIRTAC magwell configurations, providing additional flexibility without replacing the complete adapter. An integrated BB retention system helps reduce BB loss during magazine changes, while the supplied US Foster quick disconnect fitting provides a standard HPA connection.\u003cbr\u003e\u003cbr\u003eThe adapter is intended for operation between 90 and 150 PSI, with a maximum operating pressure of 150 PSI.\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":56943115764098,"sku":"AT-WEM4-M4","price":129.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/8224\/7217\/files\/HPAAdapterWEM4toM4.jpg?v=1790266484","url":"https:\/\/killerinstinctairsoft.co.uk\/products\/hpa-adapter-we-m4-to-m4","provider":"Killer Instinct Tactical","version":"1.0","type":"link"}