{"product_id":"mk-4x-spring-set","title":"MK-4X Spring Set - Upgrade \u0026 Downgrade Kit","description":"\u003cdiv class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eTake your MK-4X setup further with the Dart Zone MK-4X Spring Set, Upgrade + Downgrade Kit. This performance-focused\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TrackChangeTextInsertion TrackedChange SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e,\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TrackChangeTextDeletionMarker TrackedChange SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun TrackChangeTextDeletion SCXW221483230 BCX0\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TrackChangeTextInsertion TrackedChange SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003ecustomizable\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e kit gives players more control over their blaster setup.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559738\":240,\"335559739\":240,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eChoose the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003ehigh-powered spring for performance up to\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun Highlight SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e310\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e FPS\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e or the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003elow\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e-\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003epowered spring for a lower-powered setup \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eat \u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun Highlight SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e110\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e FPS\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e,\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e depending on your preferred gameplay style. The kit also includes an \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eL-\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e320mm\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e aluminum barrel\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e for a performance-focused configuration.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559738\":240,\"335559739\":240,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"SCXW221483230 BCX0\"\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eWhether \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eyou're\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e \u003c\/span\u003e\u003cspan class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW221483230 BCX0\"\u003edialing in\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e your MK-4X for competitive play or customizing your setup, the MK-4X Spring Set gives \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eyou \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003ethe flexibility to choose the \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eright \u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eperformance\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"TrackChangeTextInsertion TrackedChange SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e for your play style\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559738\":240,\"335559739\":240,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cstrong\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eFeatures\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW221483230 BCX0\"\u003e\n\u003cul class=\"BulletListStyle1 SCXW221483230 BCX0\" role=\"list\"\u003e\n\u003cli data-leveltext=\"\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props='{\"335552541\":1,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-aria-posinset=\"1\" data-aria-level=\"1\" role=\"listitem\" class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eHigh- and low-powered spring options for customizable performance \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW221483230 BCX0\"\u003e\n\u003cul class=\"BulletListStyle1 SCXW221483230 BCX0\" role=\"list\"\u003e\n\u003cli data-leveltext=\"\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props='{\"335552541\":1,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-aria-posinset=\"2\" data-aria-level=\"1\" role=\"listitem\" class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eL-\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e320mm\u003c\/span\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003e aluminum barrel included \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW221483230 BCX0\"\u003e\n\u003cul class=\"BulletListStyle1 SCXW221483230 BCX0\" role=\"list\"\u003e\n\u003cli data-leveltext=\"\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props='{\"335552541\":1,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-aria-posinset=\"3\" data-aria-level=\"1\" role=\"listitem\" class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eDesigned specifically for the Dart Zone MK-4X \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW221483230 BCX0\"\u003e\n\u003cul class=\"BulletListStyle1 SCXW221483230 BCX0\" role=\"list\"\u003e\n\u003cli data-leveltext=\"\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props='{\"335552541\":1,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-aria-posinset=\"4\" data-aria-level=\"1\" role=\"listitem\" class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eCustomize your MK-4X for different gameplay preferences \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ListContainerWrapper SCXW221483230 BCX0\"\u003e\n\u003cul class=\"BulletListStyle1 SCXW221483230 BCX0\" role=\"list\"\u003e\n\u003cli data-leveltext=\"\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props='{\"335552541\":1,\"335559685\":720,\"335559991\":360,\"469769226\":\"Symbol\",\"469769242\":[8226],\"469777803\":\"left\",\"469777804\":\"\",\"469777815\":\"hybridMultilevel\"}' data-aria-posinset=\"5\" data-aria-level=\"1\" role=\"listitem\" class=\"OutlineElement Ltr SCXW221483230 BCX0\"\u003e\n\u003cp class=\"Paragraph SCXW221483230 BCX0\"\u003e\u003cspan data-contrast=\"auto\" lang=\"EN-US\" class=\"TextRun SCXW221483230 BCX0\"\u003e\u003cspan class=\"NormalTextRun SCXW221483230 BCX0\"\u003eRecommended for ages 14+\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"EOP Selected SCXW221483230 BCX0\" data-ccp-props='{\"201341983\":0,\"335559739\":0,\"335559740\":240}'\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Dart Zone Blasters","offers":[{"title":"Default Title","offer_id":48374045343974,"sku":"6614-ACC1","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0567\/5238\/files\/6614-ACC1-MK-4XSpringSet-01.jpg?v=1789480988","url":"https:\/\/dartzoneblasters.com\/products\/mk-4x-spring-set","provider":"Dart Zone Blasters","version":"1.0","type":"link"}