{"product_id":"sp-system-m4-series-hpa-adapter-magazine-for-tokyo-marui-mws-gbb","title":"SP System M4 Series HPA Adapter \u0026 Magazine for Tokyo Marui MWS GBB (I)","description":"\u003cp\u003eThe \u003cstrong\u003eSP System M4 Series HPA Adapter \u0026amp; Magazine\u003c\/strong\u003e converts \u003cstrong\u003eTokyo Marui MWS GBB rifles\u003c\/strong\u003e to run on \u003cstrong\u003eHPA\u003c\/strong\u003e while accepting \u003cstrong\u003estandard AEG M4 magazines\u003c\/strong\u003e, delivering the consistency and efficiency of air without sacrificing capacity or reliability. Precision-machined from \u003cstrong\u003e6061 aluminium\u003c\/strong\u003e, this adapter is built for hard use and clean alignment, making it a popular choice for competitive and high-tempo play.\u003c\/p\u003e\n\u003cp\u003eSupplied with \u003cstrong\u003eEU and US input adapters\u003c\/strong\u003e, it’s ready to integrate into most HPA setups out of the box.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features (Quick View)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eConverts \u003cstrong\u003eTM MWS GBB\u003c\/strong\u003e rifles to \u003cstrong\u003eHPA\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAccepts \u003cstrong\u003eAEG M4 mid-cap and high-cap magazines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCNC 6061 aluminium\u003c\/strong\u003e construction for durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeed window for accurate magazine alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes \u003cstrong\u003eEU and US HPA input adapters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMetal\/polymer hybrid build\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNon two-tone finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eConstruction \u0026amp; Reliability\u003c\/h2\u003e\n\u003cp\u003eMachined from \u003cstrong\u003eCNC 6061 aluminium\u003c\/strong\u003e, the SP System adapter offers excellent strength-to-weight balance and precise tolerances for dependable feeding. Rubber interface components help ensure a secure seal and stable fit under sustained use. The feed window aids correct magazine positioning, reducing misfeeds and improving consistency across different AEG mag brands.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePerformance \u0026amp; Field Use\u003c\/h2\u003e\n\u003cp\u003eRunning your MWS on HPA brings \u003cstrong\u003estable FPS\u003c\/strong\u003e, improved efficiency, and longer uninterrupted playtime. By enabling the use of common AEG M4 magazines, the system increases on-field capacity and simplifies loadout management—ideal for CQB, competition, and longer outdoor games where reload frequency matters.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePlatform:\u003c\/strong\u003e M4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary Compatibility:\u003c\/strong\u003e Tokyo Marui MWS GBB system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAccepts \u003cstrong\u003eAEG M4 mid-cap \u0026amp; high-cap magazines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHPA input via \u003cstrong\u003eEU or US adapter\u003c\/strong\u003e (both included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTM MWS owners moving to \u003cstrong\u003eHPA\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompetitive and high-tempo skirmishers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlayers wanting higher capacity and consistency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLoadouts standardised around AEG M4 magazines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e SP Systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e HPA Adapter \u0026amp; Magazine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Type:\u003c\/strong\u003e HPA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePlatform:\u003c\/strong\u003e M4 (TM MWS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e 6061 Aluminium, Rubber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMagazine Type:\u003c\/strong\u003e HPA (AEG M4 compatible)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e Metal \/ Polymer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-Tone:\u003c\/strong\u003e No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 311146\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eRange Overview – SP System HPA Conversions\u003c\/h2\u003e\n\u003cp\u003eSP System HPA solutions are engineered to bridge gas-blowback platforms with the efficiency and consistency of high-pressure air. Focused on precision machining and practical compatibility, the range enables players to modernise their setups while retaining familiar ergonomics and magazine ecosystems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eManufacturer\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSP Systems\u003c\/strong\u003e specialises in precision HPA components for airsoft platforms, delivering conversion solutions built for reliability, compatibility and competitive performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSafety Information\u003c\/h2\u003e\n\u003cp\u003eHPA systems operate under high pressure. Ensure all regulators, tanks and lines are correctly rated and securely connected before use. Verify magazine compatibility and alignment prior to play. Always wear certified eye protection and comply with site rules and local regulations.\u003c\/p\u003e","brand":"SP System","offers":[{"title":"Default Title","offer_id":56689692410204,"sku":null,"price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0977\/0021\/7180\/files\/riw-t8-hpa-adp_8_-jkarmy.jpg?v=1770735186","url":"https:\/\/www.firstandonlyretail.co.uk\/products\/sp-system-m4-series-hpa-adapter-magazine-for-tokyo-marui-mws-gbb","provider":"First and Only Retail","version":"1.0","type":"link"}