{"product_id":"polarstar-hardware-kit-3d-printable-split-gearbox-v2","title":"Polarstar Hardware Kit, 3D Printable Split Gearbox, V2","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eHardware Kit, 3D Printable Split Gearbox V2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe PolarStar Hardware Kit includes all required fasteners and components to assemble the free 3D printable V2 gearbox lower — no hardware store runs, no guessing on specs. Print the lower, grab this kit, and build.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePart\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e Purpose\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4x\u003c\/td\u003e\n\u003ctd\u003eScrew, BHSC, M3 x 15mm SS\u003c\/td\u003e\n\u003ctd\u003eClamshell assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1x\u003c\/td\u003e\n\u003ctd\u003eScrew, BHSC, M2 x 4mm SS\u003c\/td\u003e\n\u003ctd\u003eSwitchboard mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8x\u003c\/td\u003e\n\u003ctd\u003eHeat Set Insert, M3\u003c\/td\u003e\n\u003ctd\u003eClamshell + grip screw inserts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1x\u003c\/td\u003e\n\u003ctd\u003eHeat Set Insert, M2\u003c\/td\u003e\n\u003ctd\u003eSwitchboard insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1x\u003c\/td\u003e\n\u003ctd\u003eSquare Nut, M5\u003c\/td\u003e\n\u003ctd\u003eBuffer tube screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1x\u003c\/td\u003e\n\u003ctd\u003e#23 HSS Drill Bit\u003c\/td\u003e\n\u003ctd\u003eGrip screw pilot holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1x\u003c\/td\u003e\n\u003ctd\u003eCompression Spring\u003c\/td\u003e\n\u003ctd\u003ePusher piece — keeps engine seated forward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2x\u003c\/td\u003e\n\u003ctd\u003eBullet Valve Lead, 5\"\u003c\/td\u003e\n\u003ctd\u003eHPA line routing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFree\u003ca href=\"https:\/\/polarstarairsoft.com\/pages\/creator-corner\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan\u003e \u003c\/span\u003ePolarStar V2 Gearbox Lower files\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e— download at\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/polarstarairsoft.com\/pages\/creator-corner\" target=\"_blank\"\u003epolarstarairsoft.com\/pages\/creator-corner\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor grab the\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener\" href=\"https:\/\/makerworld.com\/en\/models\/2704357-polarstar-airsoft-3d-printed-split-gearbox#profileId-2998363\" target=\"_blank\"\u003eBambu-ready 3MF on MakerWorld.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHeat set inserts require a soldering iron set to 200–230°C. Vertical clamshell holes are pre-sized after printing — no drilling needed for those locations. Grip screw pilot holes require the included #23 drill bit before insert installation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eThe free 3D printable gearbox files are required to use this kit. HPA Engine, Direct Attachment Front Cylinder, and Hop Up Thing are sold separately.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cspan\u003e\u003cstrong\u003eComplete your build:\u003c\/strong\u003e For a full DA gearbox build you'll also need a selector plate and trigger\/safety assembly. Both are available separately:polar\u003c\/span\u003e\u003c\/p\u003e","brand":"classic army","offers":[{"title":"Default Title","offer_id":49531968094435,"sku":"10001476","price":20.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0534\/3074\/7324\/files\/HardwareKitMay122026Edited.webp?v=1786658298","url":"https:\/\/dmzcanada.com\/products\/polarstar-hardware-kit-3d-printable-split-gearbox-v2","provider":"DMZ  Paintball \u0026 Airsoft","version":"1.0","type":"link"}