{"product_id":"berserker-mgn12h-1r-170-200-300-320-350-400-450-500-linear-rails-viking-skis-with-carriages","title":"BERSERKER MGN12H-1R-170\/200\/300\/320\/350\/400\/450\/500 Linear Rails Viking Skis with Carriages","description":"\u003cp\u003eCoreXY and high-speed 3D printer builders know that motion system smoothness and stability directly impact print quality — poor linear rails cause layer inconsistencies and vibration artifacts that degrade results. Without reliable rails, prints suffer from ringing, layer shifts, and reduced precision.\u003c\/p\u003e\u003cp\u003eBERSERKER MGN12H-1R Linear Rails Viking Skis with Carriages by West3D deliver precision-machined 440C stainless steel rails designed for demanding 3D printer motion systems like Voron 2.4, Trident, and other CoreXY builds. These rails feature medium pre-load for stable, vibration-resistant motion without the free-fall issues common in cheaper models. Their corrosion-resistant finish and grease ports allow easy maintenance, ensuring long-lasting smoothness and consistent performance in high-speed, high-vibration environments.\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e440C Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-load\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLengths Available (mm)\u003c\/td\u003e\n\u003ctd\u003e170, 200, 300, 320, 350, 400, 450, 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarriage Type\u003c\/td\u003e\n\u003ctd\u003eMGN12H-1R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosion Resistance\u003c\/td\u003e\n\u003ctd\u003eYes, rustproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaintenance\u003c\/td\u003e\n\u003ctd\u003eGrease ports for lubrication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Printers\u003c\/td\u003e\n\u003ctd\u003eVoron 2.4, Trident, CoreXY builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhy Upgrade?\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReduce vibration and ringing on CoreXY printers like Voron 2.4 and Trident for cleaner, more precise prints\u003c\/li\u003e\n\u003cli\u003eMedium pre-load prevents free-fall and backlash common in low-quality rails, improving motion stability\u003c\/li\u003e\n\u003cli\u003e440C stainless steel construction resists rust and wear, ideal for humid or demanding environments\u003c\/li\u003e\n\u003cli\u003eGrease ports enable easy maintenance to sustain smooth motion over time\u003c\/li\u003e\n\u003cli\u003eMultiple length options allow precise fit for custom and DIY builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVoron 2.4 and Trident builders upgrading motion systems for high-speed printing\u003c\/li\u003e\n\u003cli\u003eCoreXY enthusiasts seeking durable, smooth linear rails with reliable pre-load\u003c\/li\u003e\n\u003cli\u003eDIY 3D printer builders requiring corrosion-resistant rails for long-term performance\u003c\/li\u003e\n\u003cli\u003eUsers replacing worn or noisy MGN12 rails on high-vibration printers\u003c\/li\u003e\n\u003cli\u003eHigh-precision prints demanding consistent, backlash-free motion\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePair With the Right Filament\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eReliable motion from these linear rails supports consistent extrusion and layer alignment, essential for printing a wide range of filaments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/pla-filament\"\u003ePLA Filament\u003c\/a\u003e — ideal for testing and everyday prints with smooth motion\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/petg-filament\"\u003ePETG Filament\u003c\/a\u003e — benefits from stable motion to reduce stringing and improve layer adhesion\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/supplies3d.shop\/collections\/tpu-flexible-filament\"\u003eTPU Flexible Filament\u003c\/a\u003e — smooth rail movement helps maintain precise extrusion for flexible materials\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"West3D 3D Printing Supplies","offers":[{"title":"170mm","offer_id":52735670190374,"sku":"BER3875170","price":18.99,"currency_code":"USD","in_stock":true},{"title":"200mm","offer_id":52735670223142,"sku":"BER3876200","price":29.99,"currency_code":"USD","in_stock":true},{"title":"300mm","offer_id":52735670255910,"sku":"BER1070","price":33.99,"currency_code":"USD","in_stock":true},{"title":"320mm","offer_id":52735670288678,"sku":"BER1082","price":34.99,"currency_code":"USD","in_stock":true},{"title":"350mm","offer_id":52735670321446,"sku":"BER1083","price":36.99,"currency_code":"USD","in_stock":true},{"title":"400mm","offer_id":52735670354214,"sku":"BER1084","price":38.99,"currency_code":"USD","in_stock":true},{"title":"450mm","offer_id":52735670386982,"sku":"BER3748450","price":42.99,"currency_code":"USD","in_stock":true},{"title":"500mm","offer_id":52735670419750,"sku":"BER3749500","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/1986\/2822\/files\/berserker-mgn12h-1r-300350400-linear-rails-viking-skis-with-carriages-west3d-printing-berserker-254509.jpg?v=1773259448","url":"https:\/\/supplies3d.shop\/products\/berserker-mgn12h-1r-170-200-300-320-350-400-450-500-linear-rails-viking-skis-with-carriages","provider":"SUPPLIES3D","version":"1.0","type":"link"}