{"product_id":"spark-hiei-kai-6-05mm-tight-bore-high-precision-inner-barrel-for-electric-guns","title":"SPARK Hiei Kai 6.05mm Tight Bore High-Precision Inner Barrel for Electric Guns","description":"\u003cdiv class=\"n6owBd awi2gc\"\u003eThe \u003cstrong class=\"rQesXe MPyX\"\u003eSPARK Hiei Kai 6.05mm Tight Bore Series\u003c\/strong\u003e provides the ultimate mechanical solution to velocity drop and downstream grouping inconsistency in custom AEGs. Engineered through an exclusive partnership between Airsoft97 and the master metalcraft technicians at \u003cstrong class=\"rQesXe MPyX\"\u003eda Vinci\u003c\/strong\u003e, these high-end barrels are meticulously shaped using the highest grade domestic cold-forged stainless steel.\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eThe 6.05mm tight-bore ID (Inner Diameter) maximizes compression tracking directly behind the projectile, capturing compressed air expansion efficiently. This concentrated seal results in an immediate increase in muzzle velocity (FPS) while maintaining the rigid, flex-free stability required for repeatable long-range semi and full-automatic accuracy.\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eThis master craftsmanship series serves two crucial engineering purposes across its specific lengths:\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 Efficiency Management:\u003c\/strong\u003e Captures maximum pneumatic pressure from the gearbox cylinder, boosting overall energy output without forcing you to use heavier, high-stress main springs.\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\"\u003eMuzzle Turbulence Dissipation:\u003c\/strong\u003e Features an integrated \u003cstrong class=\"rQesXe MPyX\"\u003e20mm super-long internal taper at the muzzle tip\u003c\/strong\u003e, smoothing air expansion behind the BB as it leaves the barrel to prevent flight paths from destabilizing.\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 Highest grade domestic cold-forged SUS304 stainless steel\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\"\u003eBore Diameter:\u003c\/strong\u003e 6.05mm Tight Bore (Tolerance controlled via pure domestic CNC machining)\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\"\u003eMuzzle Design:\u003c\/strong\u003e 20mm Super-Long Air-Dissipation Taper\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\"\u003ePackage Contents:\u003c\/strong\u003e 1x SPARK Hiei Kai 6.05mm Tight Bore Inner Barrel (of chosen length 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 Tokyo Marui-specification AEG hop-up chambers\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\u003c\/ul\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003e\u003cem class=\"eujQNb\"\u003eTech \u0026amp; Safety Warning: Due to the precision 6.05mm tight-bore architecture, using low-tier, out-of-round, or recycled BBs will cause immediate inner-barrel jamming and major structural piston damage. Always pair this barrel with premium, high-density precision BBs.\u003c\/em\u003e\u003c\/div\u003e","brand":"SPARK (Airsoft97)","offers":[{"title":"275mm","offer_id":47772761489557,"sku":"SPK-HIEI-605-275","price":94.99,"currency_code":"USD","in_stock":true},{"title":"300mm","offer_id":47772761522325,"sku":"SPK-HIEI-605-300","price":109.99,"currency_code":"USD","in_stock":true},{"title":"360mm","offer_id":47772761555093,"sku":"SPK-HIEI-605-360","price":109.99,"currency_code":"USD","in_stock":true},{"title":"420mm","offer_id":47772761587861,"sku":"SPK-HIEI-605-420","price":114.99,"currency_code":"USD","in_stock":true},{"title":"455mm","offer_id":47772761620629,"sku":"SPK-HIEI-605-455","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9704\/3605\/files\/Macro_close-up_view_highlighting_the_20mm_internal_taper_muzzle_crowning_and_polished_stainless_steel_walls_of_the_SPARK_Hiei_Kai_6.05mm_tight_bore_inner_barrel_by_AIRSOFT97.webp?v=1787610692","url":"https:\/\/www.northmarkvault.com\/products\/spark-hiei-kai-6-05mm-tight-bore-high-precision-inner-barrel-for-electric-guns","provider":"Northmark Vault","version":"1.0","type":"link"}