{"product_id":"spark-main-spring-for-electric-guns-made-in-japan","title":"SPARK Main Spring for Electric Guns (Made in Japan)","description":"\u003cdiv class=\"n6owBd awi2gc\"\u003eThe \u003cstrong class=\"rQesXe MPyX\"\u003eSPARK Main Spring Series\u003c\/strong\u003e provides an unparalleled internal energy upgrade solution engineered to precisely tune muzzle velocity and cycle rate limits in custom automatic electric guns. Manufactured in \u003cstrong class=\"rQesXe MPyX\"\u003eJapan by AIRSOFT97\u003c\/strong\u003e, these premium linear and non-linear compression coils are crafted to strict structural tolerances, ensuring long-term velocity consistency and preventing the rapid power drop-off common in budget factory springs.\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eThis master performance collection serves two crucial engineering purposes across its specific variations:\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003col class=\"IaGLZe VimKh\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eVelocity Optimization (M110 \/ M120):\u003c\/strong\u003e Delivers a reliable, uniform compression rating to hit clean power limits on outdoor setups, maximizing projectile kinetic energy transfer without over-stressing the motor.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eShort-Stroke Specialization (M130 DSG):\u003c\/strong\u003e Tailored specifically for Dual Sector Gear (DSG) arrays, utilizing modified dimensions to prevent premature coil-bind while exerting instantaneous high-tension return force to avoid piston stripping during ultra-high-speed cycles.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2 class=\"otQkpb\" role=\"heading\"\u003eTechnical Specifications:\u003c\/h2\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eMaterial:\u003c\/strong\u003e Premium high-elasticity heat-treated oil-tempered steel alloy\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eVariant Selection Profile:\u003c\/strong\u003e\u003c\/span\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eM110:\u003c\/strong\u003e Target power benchmark for tuned field performance (~360-390 FPS depending on air seal and barrel length)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eM120:\u003c\/strong\u003e High-strength compression option tailored for heavy-weight bb stabilization (~400-430 FPS baseline)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eM130 DSG:\u003c\/strong\u003e Non-linear high-rate configuration optimized explicitly for short-stroked Dual Sector Gear piston release cycles\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003ePackage Contents:\u003c\/strong\u003e 1x SPARK Premium Main Gearbox Spring (of chosen selection)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eCompatibility:\u003c\/strong\u003e Standard Version 2, Version 3, and related generic electric gun gearboxes (including quick-change spring guide frameworks)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eOrigin:\u003c\/strong\u003e 100% Made in Japan\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eDesign:\u003c\/strong\u003e Ground flat ends to ensure perfectly straight axial alignment inside the piston core\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003e\u003cem class=\"eujQNb\"\u003e\u003cspan class=\"iNqyIf\"\u003eTech \u0026amp; Safety Warning: M130 DSG springs must strictly be used in dedicated short-stroke setups. Attempting to cycle an M130 DSG spring on a full 16-tooth standard sector gear stroke can trigger immediate mechanical lockup, motor overheating, or structural gearbox fracture.\u003c\/span\u003e\u003c\/em\u003e\u003c\/div\u003e","brand":"SPARK (Airsoft97)","offers":[{"title":"M110","offer_id":47772325445781,"sku":"SPK-SPR-M110","price":12.99,"currency_code":"USD","in_stock":true},{"title":"M120","offer_id":47772325478549,"sku":"SPK-SPR-M120","price":12.99,"currency_code":"USD","in_stock":true},{"title":"M130","offer_id":47772325511317,"sku":"SPK-SPR-M130","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9704\/3605\/files\/spark-main-spring-for-electric-guns-airsoft97-m110-m120-m130-dsg.webp?v=1787603253","url":"https:\/\/www.northmarkvault.com\/products\/spark-main-spring-for-electric-guns-made-in-japan","provider":"Northmark Vault","version":"1.0","type":"link"}