{"product_id":"airtac-hyp-ar-hyp-556-mws-receiver-trigger-box-installed-style-2","title":"Airtac HYP-AR HYP-556 MWS HPA Receiver with Trigger Box Installed — Style 2","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\n\u003cstrong style=\"color:#1a6b3a;\"\u003eAirtac HYP-556 MWS Receiver with Trigger Box Installed, Style 2 — the current cut, with the trigger box, fire selector and bolt stop already in.\u003c\/strong\u003e Drop an upper on it and the mechanical side of the build is done.\n\u003c\/div\u003e\u003cp\u003eBuy the Style 2 lower on its own and the first line of the manual is about sourcing a trigger box. This listing removes that step. Box, fire selector and bolt stop are fitted and pinned, so what arrives is a lower you can hang an upper on.\u003c\/p\u003e\u003cp\u003eSame material and same process as the bare version: billet 7075, Cerakote, machined in Northern Ireland, with the air unit inside the receiver rather than bolted to a magazine adapter. It runs on \u003ca href=\"\/collections\/pts\" style=\"color:#1B3A6B;\"\u003ePTS EPM M4 magazines\u003c\/a\u003e and every factory control stays live.\u003c\/p\u003e\u003cp\u003eWhere a gas rifle loses pressure as the magazine chills, a regulated feed does not. Set your bolt speed once on the bench with a \u003ca href=\"\/collections\/hpa-regulators\" style=\"color:#1B3A6B;\"\u003eregulator\u003c\/a\u003e and it is the same on the last shot of the day as the first.\u003c\/p\u003e\u003cp\u003eIf you want to fit your own trigger group, or already have one out of a donor gun, \u003ca href=\"\/products\/airtac-hyp-ar-hyp-556-mws-hpa-receiver-style-2\" style=\"color:#1B3A6B;\"\u003ethe bare Style 2 receiver\u003c\/a\u003e is the one to pick instead.\u003c\/p\u003e\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eSpecifications\u003c\/h2\u003e\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;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:7px 12px;text-align:left;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eCNC-machined 7075 aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eCerakote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eManufactured\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eNorthern Ireland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSupplied as\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eReceiver with the MWS trigger box kit pre-installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eGrip\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eIncluded, as pictured\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMagazine\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePTS EPM M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eAir fitting\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eUS Foster as standard; EU fittings sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eOperating pressure\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e130–150 psi, per the manufacturer’s assembly guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eReceiver cut\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eStyle 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eHost platform\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eTokyo Marui MWS or Double Eagle MWS lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eBuffer tube\u003c\/td\u003e\n\u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMWS-spec tubes and any stock that threads onto the buffer tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eGood to know before you buy\u003c\/h2\u003e\u003cp\u003eWhat is not in the box: an upper, a bolt, a barrel, a stock, and the air side. Those come from your donor gun and from a line, a regulator and a tank.\u003c\/p\u003e\u003cp\u003ePick the cut that matches your gun before anything else. Tokyo Marui and Double Eagle lowers are machined to different profiles.\u003c\/p\u003e\u003cp\u003eIf a Double Eagle build will not cycle once assembled, the manufacturer points at sear height and an extra shim under the box. Sear height varies between their models.\u003c\/p\u003e\u003cp\u003eBlack and Tan are the finishes carried in this configuration, in both platform cuts.\u003c\/p\u003e\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eFrequently asked questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this the same receiver as the one listed without a trigger box?\u003c\/strong\u003e\u003cbr\u003eYes, the same Style 2 cut. The difference is that the trigger group is already in it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy would I buy this rather than the parts separately?\u003c\/strong\u003e\u003cbr\u003eTo skip the fitting. If you are happy pinning a trigger box and shimming it, the separate route gives you the same end result.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it come with a grip?\u003c\/strong\u003e\u003cbr\u003eYes, the grip pictured is included in this configuration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat pressure does it want?\u003c\/strong\u003e\u003cbr\u003eRoughly 130 to 150 psi is the window the manufacturer’s own fitting document works in. Prioritise a bolt that comes back to battery every time, then dial the energy down with an NPAS.\u003c\/p\u003e\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\n⚠ \u003cstrong\u003eIt is a lower, not a complete gun.\u003c\/strong\u003e You still need an upper half and the air side before it will fire, and the finished build is what gets chronoed.\n\u003c\/div\u003e\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 Not sure which cut you have, or which upper you want on it? \u003ca href=\"\/pages\/contact-us\" style=\"color:#cdd6f4;\"\u003eTalk to us\u003c\/a\u003e — and \u003ca href=\"\/collections\/hpa-tanks\" style=\"color:#cdd6f4;\"\u003eour HPA tanks\u003c\/a\u003e and \u003ca href=\"\/collections\/hpa-lines\" style=\"color:#cdd6f4;\"\u003elines\u003c\/a\u003e cover the feed.\n\u003c\/div\u003e","brand":"Airtac","offers":[{"title":"Double Eagle \/ Black","offer_id":55722688119160,"sku":"33566064","price":414.95,"currency_code":"GBP","in_stock":true},{"title":"Tokyo Marui \/ Black","offer_id":55722689495416,"sku":null,"price":414.95,"currency_code":"GBP","in_stock":true},{"title":"Tokyo Marui \/ Tan","offer_id":55722689528184,"sku":null,"price":414.95,"currency_code":"GBP","in_stock":true},{"title":"Double Eagle \/ Tan","offer_id":55722758832504,"sku":null,"price":414.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/AirtacHYP-AR556Style2Built_TitanForgeAirsoft-1.webp?v=1793729264","url":"https:\/\/www.titanforgeairsoft.com\/products\/airtac-hyp-ar-hyp-556-mws-receiver-trigger-box-installed-style-2","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}