{"product_id":"airtac-kwa-f90-to-m4-hpa-adapter-modular","title":"AirTac KWA F90 to M4 HPA Adapter (Modular)","description":"\u003cdiv style=\"background:#edfaf1;border-left:4px solid #27ae60;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\u003cstrong style=\"color:#1a6b3a;\"\u003eAirTac KWA F90 to M4 HPA Adapter — HPA power and M4 magazines for your KWA F90.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003eThe KWA F90 is a distinctive AUG\/F90-pattern bullpup GBBR, and this AirTac adapter brings it onto HPA fed from standard M4 AEG magazines. You get steady power and an end to the running cost and cold-weather drop-off that comes with gas.\u003c\/p\u003e\n\u003cp\u003eAirTac injection-mould their own gas router for this one and pair it with their high-flow valve and printed feed lips, so it's genuinely plug-and-play with no donor magazines needed. The modular base accepts a swappable rear shim so you can perfect magazine fit.\u003c\/p\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eKey details\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;margin:0 0 18px;\"\u003e\n\u003ctr style=\"background:#1B3A6B;color:#fff;\"\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eSpec\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eDonor gun\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eKWA F90 \/ AUG pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFeeds from\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eM4 AEG magazine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eBuild\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePolycarbonate base, moulded gas router\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eAssembly\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePlug and play, modular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFitting\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eUS-style Foster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background:#fffbe6;border-left:4px solid #f0d060;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e⚠ \u003cstrong\u003eGood to know:\u003c\/strong\u003e Plug-and-play with AirTac's own gas router, high-flow valve and feed lips — no donor mags. PTS-pattern magazines recommended; swappable rear shim included. US-style Foster fitting.\u003c\/div\u003e\n\u003cdiv style=\"background:#1B3A6B;color:#fff;padding:12px 16px;border-radius:6px;margin:18px 0 0;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#fff;\"\u003e💡 Titan Forge Airsoft tip:\u003c\/strong\u003e browse the rest of our \u003ca href=\"\/collections\/hpa-pistol-adaptors\" style=\"color:#cdd6f4;\"\u003eHPA adaptors\u003c\/a\u003e or \u003ca href=\"\/collections\/airtac-1\" style=\"color:#cdd6f4;\"\u003eAirTac\u003c\/a\u003e range, or \u003ca href=\"https:\/\/wa.me\/447874452357\" style=\"color:#cdd6f4;\"\u003emessage us on WhatsApp\u003c\/a\u003e and we'll help you match the right adapter, magazine and line to your setup.\u003c\/div\u003e","brand":"Airtac","offers":[{"title":"Default Title","offer_id":55575333372280,"sku":"6657421096","price":119.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/AirTacKWAF90toM4HPAAdapterTitanForgeAirsoft-1.webp?v=1780578887","url":"https:\/\/www.titanforgeairsoft.com\/products\/airtac-kwa-f90-to-m4-hpa-adapter-modular","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}