{"product_id":"we-tech-open-bolt-m4-m16-416-xm177-mk18-msk-l85-scar-l-hpa-adapter-drum","title":"WE-Tech Open Bolt M4\/M16\/416\/XM177\/MK18\/MSK\/L85\/SCAR-L HPA Adapter\/Drum","description":"\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_90a2b65bf7d67a6e\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_0981286db2d62f83\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_5e4f82839007bc88\" dir=\"ltr\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_239a9b6bc30d4e88\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_363f44b307891289\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_70dd9908a06eaad6\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_1b2a615c80b2abb0\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_d64937d38ef56890\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_a386b1bb405aae8e\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_f288be7bc3e80394\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_ef6f4a289cb78d5f\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_3ae61618b67ced01\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_f283e67a376605a4\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_fa84a945603ec6a8\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_81d689b805c34ed6\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_f0a986a822ea355a\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_251acd218824f81c\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_d897f17a9647aa1e\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_98221d727c7f765f\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_baf496da0c64ae81\" dir=\"ltr\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel md-content enable-luminous-fast-follows enable-updated-hr-color tutor-markdown-rendering\" id=\"model-response-message-contentr_069462a45ed2dfc8\" dir=\"ltr\"\u003e\n\u003cdiv class=\"attachment-container unknown\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003cdiv class=\"gen-ui-html-container ng-star-inserted\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand \/ Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility Verification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTuning \u0026amp; Adjustment Notes\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWE-Tech Open Bolt M4 \/ M16 \/ 416 \/ XM177 \/ MK18 GBBR Series\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect Native Fit\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect OEM factory standard for WE-Tech Open Bolt STANAG AR-15 platforms. Features an adjustable plunger to calibrate engagement against the internal valve knocker pin. Fine-tune gasket height to form a complete air seal against the loading nozzle rubber without creating drag on the returning bolt carrier group.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWE-Tech Open Bolt SCAR-L \/ MSK \/ L85 \/ PDW GBBR Series\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVerified Fit (Shared STANAG Engine Architecture)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShares WE Open Bolt STANAG magwell retention profile, trigger box, and nozzle alignment. Fine-tune the plunger set screw depth and gasket height for consistent output and smooth bolt operation across receiver tolerances.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWE-Tech AWSS (Closed Bolt) \u0026amp; Third-Party M4 GBBR Lines\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNOT Compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLegacy WE Closed Bolt (brass cylinder) systems and third-party STANAG GBB platforms (Tokyo Marui MWS, VFC, GHK, KWA) utilize distinct magwell catch dimensions, different valve knocker stroke lengths, and proprietary nozzle seal profiles.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size:0.9em;margin:6px 0 0;\"\u003e\u003cstrong\u003eAlso available for:\u003c\/strong\u003e \u003ca href=\"\/products\/m4-aeg-adapter-drum\"\u003eM4 AEG\u003c\/a\u003e, \u003ca href=\"\/products\/vfc-m4-hpa-adapter-drum\"\u003eVFC M4\u003c\/a\u003e, \u003ca href=\"\/products\/kjw-m4-hpa-adapter-drum\"\u003eKJW M4\u003c\/a\u003e, \u003ca href=\"\/products\/kwa-lm4-hpa-adapter-drum\"\u003eKWA\/KSC M4\u003c\/a\u003e, \u003ca href=\"\/products\/ghk-g5-hpa-adapter-drum\"\u003eGHK M4\/MK18\/G5\u003c\/a\u003e, \u003ca href=\"\/products\/wa-woc-ge-ka-matrix-inokatsu-hpa-adapter-drum\"\u003eWA\/WOC\/GE\/KA\/Matrix\/Inokatsu\u003c\/a\u003e, \u003ca href=\"\/products\/src-zaros-sr4-hpa-adapter-drum\"\u003eSRC ZAROS SR4\u003c\/a\u003e, \u003ca href=\"\/products\/g-g-mgcr-hpa-adapter-drum\"\u003eG\u0026amp;G MGCR\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Tapp Airsoft","offers":[{"title":"M4","offer_id":48949115256932,"sku":"TAPP-WETM4-M4","price":170.0,"currency_code":"USD","in_stock":true},{"title":"MP5","offer_id":48949115289700,"sku":"TAPP-WETM4-MP5","price":170.0,"currency_code":"USD","in_stock":true},{"title":"ARP9","offer_id":48949115322468,"sku":"TAPP-WETM4-ARP9","price":170.0,"currency_code":"USD","in_stock":true},{"title":"Shotgun Shell","offer_id":48949115355236,"sku":"TAPP-WETM4-SS","price":195.0,"currency_code":"USD","in_stock":true},{"title":"Ambi Angled M4","offer_id":48949115388004,"sku":"TAPP-WETM4-AM4","price":240.0,"currency_code":"USD","in_stock":true},{"title":"HPA Drum","offer_id":48949115420772,"sku":"TAPP-WETM4-HPADRUM","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Green Gas Drum","offer_id":48949115453540,"sku":"TAPP-WETM4-GGDRUM","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":48949115486308,"sku":"TAPP-WETM4-OTHER","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/5116\/0932\/files\/WE_M4_m4c.jpg?v=1786107733","url":"https:\/\/tappairsoft.sbs\/products\/we-tech-open-bolt-m4-m16-416-xm177-mk18-msk-l85-scar-l-hpa-adapter-drum","provider":"Tapp Airsoft","version":"1.0","type":"link"}