{"product_id":"epes-aeg-aluminum-cylinder-head-mk-ii-version-2-3-airsoft-gearbox-80-shore-long-length","title":"EPeS AEG Aluminum Cylinder Head Mk.II for Version 2 \u0026 3 Airsoft AEG Gearboxes (Model: Long Length \/ 80 Shore)","description":"\u003ch2\u003eEPeS Airsoft CNC Aluminum Cylinder Head Mk.II (V2 \u0026amp; V3 Gearboxes) – Precision Air Seal Upgrade\u003c\/h2\u003e\n\u003cp\u003eThe EPeS AEG Aluminum Cylinder Head Mk.II is a premium CNC-engineered upgrade designed for players who demand maximum air seal efficiency, improved durability, and consistent performance from their AEG builds. Built from aircraft-grade EN AW 7075-T6 aluminum with a specialized H+PTFE surface finish, this cylinder head redefines gearbox reliability for both Version 2 and Version 3 platforms.\u003c\/p\u003e\n\u003cp\u003eWhether you’re tuning a high-ROF CQB build or optimizing a long-range DMR setup, this cylinder head delivers unmatched sealing, stability, and mechanical consistency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePrecision CNC Construction for Maximum Durability\u003c\/h2\u003e\n\u003cp\u003eAt the core of the Mk.II design is uncompromising engineering quality. The cylinder head is machined from EN AW 7075-T6 duralumin, a material widely used in aerospace applications for its exceptional strength-to-weight ratio.\u003c\/p\u003e\n\u003cp\u003eKey material advantages include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCNC-machined 7075-T6 aluminum for structural rigidity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eH+PTFE surface treatment for ultra-smooth nozzle cycling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh abrasion resistance for long-term gearbox reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for heavy-duty AEG builds and high-stress use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis combination ensures smooth piston cycling, reduced friction, and long service life even under high-rate firing conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAdvanced Air Seal \u0026amp; Feeding Performance\u003c\/h2\u003e\n\u003cp\u003eThe EPeS Mk.II cylinder head is engineered to solve one of the most common AEG problems: balancing airtight compression with reliable BB feeding.\u003c\/p\u003e\n\u003cp\u003eIts advanced features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDouble O-ring sealing system for superior air compression\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized nozzle stability for consistent hop-up engagement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced air loss for improved FPS consistency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with most Version 2 and Version 3 AEG gearboxes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy improving both seal efficiency and nozzle alignment, the Mk.II enhances shot-to-shot consistency while supporting higher-performance internal setups.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRevolutionary Tappet Plate Stroke Optimization\u003c\/h2\u003e\n\u003cp\u003eOne of the standout innovations of this cylinder head is its extended tappet plate stroke capability. Unlike standard designs, the rear stop position is repositioned to allow increased nozzle travel.\u003c\/p\u003e\n\u003cp\u003eBenefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSupports longer nozzles (up to ~1mm longer than standard setups)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved feeding reliability in high-speed builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBetter nozzle-to-hop-up bucking contact seal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for AR15\/M4-style and tuned DMR platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis solves the long-standing tradeoff between feeding reliability and air seal performance—allowing both to coexist in one setup.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eUniversal Fit System for V2 \u0026amp; V3 Gearboxes\u003c\/h2\u003e\n\u003cp\u003eThe Mk.II introduces a unique mounting system designed for precision alignment inside the gearbox shell.\u003c\/p\u003e\n\u003cp\u003eFeatures include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDual M3 grub screw adjustment system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTunable gearbox pin hole tolerance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSecure anti-wobble cylinder head seating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized default fit for Retro Arms gearboxes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis eliminates axial movement, reducing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFPS inconsistency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNozzle misalignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHop-up feeding issues\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal wear and stress damage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation is straightforward, allowing techs to fine-tune fitment with simple adjustments for a rock-solid gearbox lockup.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Takeaways\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCNC 7075-T6 aluminum construction for extreme durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDouble O-ring system for superior air seal efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExtended tappet stroke improves feeding and performance balance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable universal mounting system for V2 \u0026amp; V3 compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for high-performance AEG builds and long-term reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose the EPeS Mk.II Cylinder Head?\u003c\/h2\u003e\n\u003cp\u003eIf your goal is to eliminate compression loss, improve feeding reliability, and stabilize gearbox performance under stress, the EPeS Mk.II cylinder head for V2\/V3 AEG gearboxes delivers a professional-grade solution. It bridges the gap between high air seal efficiency and flawless BB feeding—without compromise.\u003c\/p\u003e\n\u003cp\u003eFor advanced AEG builders, it’s not just an upgrade—it’s a foundation for consistent, competition-ready performance.\u003c\/p\u003e","brand":"EPeS Airsoft","offers":[{"title":"Default Title","offer_id":47655451492582,"sku":"108137","price":58.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/6393\/2390\/files\/epes-108137.jpg?v=1778632408","url":"https:\/\/ngrwzj-i1.myshopify.com\/products\/epes-aeg-aluminum-cylinder-head-mk-ii-version-2-3-airsoft-gearbox-80-shore-long-length","provider":"CQC Airsoft ","version":"1.0","type":"link"}