{"product_id":"sa-f02-flex-gen-2-hal-etu-airsoft-rifle","title":"SA-F02 FLEX Gen.2 HAL ETU Airsoft rifle","description":"\u003cdiv\u003e\n\u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e \u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e \u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e \u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e \u003cp\u003e\u003cstrong\u003eSpecna Arms SA-F02 FLEX Gen.2 HAL ETU Airsoft Rifle\u003c\/strong\u003e is a purpose-built, high-performance carbine designed to deliver precision, reliability, and configurable fire control straight out of the box. Built by Specna Arms with the FLEX line’s emphasis on real-world usability, this Gen.2 HAL ETU variant blends advanced electronics, robust mechanics, and lightweight construction to excel in fast-paced CQB and dynamic field engagements alike.\u003c\/p\u003e \u003cp\u003eEngineered for players who demand accuracy, rapid adaptability, and consistent power delivery, the SA-F02 FLEX Gen.2 HAL ETU integrates a host of innovations that separate it from standard carbines. Its core is the HAL ETU system, a programmable control platform that enables fine-tuned trigger characteristics, customizable firing modes, and field-smart power management. This is a rifle that you can program for your preferred playstyle while maintaining crisp, dependable performance under pressure.\u003c\/p\u003e \u003ch3\u003eKey features that redefine out-of-the-box performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHAL ETU control system\u003c\/strong\u003e with magnetic sensors and Hall effect for precise detection, active brake, and a binary trigger. It offers five trigger-sensitivity levels (20–100%), six levels of pre-cocking, and auto- and semi-fire modes that are programmable via trigger programming. This gives you fine control over response, shot cadence, and efficiency in the heat of battle.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eaUTO program with multi-burst capabilities\u003c\/strong\u003e (3-round burst followed by full auto) plus \u003cstrong\u003esEMI programmable fire modes\u003c\/strong\u003e (semi, binary, AUG, sniper). These features let you tailor engagement profiles to different game scenarios without needing a separate programming device.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTop Down Center (TDC Magnus) Hop-Up chamber\u003c\/strong\u003e with a European patent (015052069-0001) for extremely stable, repeatable hop-up adjustments. Combined with the Helium Flat Hop Eraser, it stabilizes the BB trajectory across a wide velocity window for predictable MOA performance at both close and mid-range.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eÆther Gearbox\u003c\/strong\u003e and reinforced frame, designed for longevity under heavy firing and field-service conditions. Pre-cocking, AoE inspection windows, and frame alignment screw holes simplify maintenance and tuning.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnhanced internals\u003c\/strong\u003e include 8mm plain bearings, steel gears, a polycarbonate piston with full steel slats, and a high-quality 6.03mm precision barrel to maximize consistency and accuracy per shot.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMainspring system versatility\u003c\/strong\u003e with a quick spring change capability (ESA™) and readiness for M140 springs, enabling rapid power adjustments to suit field rules or engagement ranges without tools.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust, lightweight construction\u003c\/strong\u003e using nylon fibre-reinforced polymer for the body, combined with a front KeyMod rail system and RIS components, SF-style stock, and a heavy-duty metal barrel and accessories. The balance emphasizes maneuverability in CQB while maintaining enough mass for stability at longer ranges.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eESA™ quick-spring-change system\u003c\/strong\u003e lets you adapt the rifle’s power profile rapidly to changing field conditions, weather, or game formats—no workshop required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this rifle matters on the airsoft field\u003c\/h3\u003e\n\u003cp\u003eThe SA-F02 FLEX Gen.2 HAL ETU is crafted for players who value a ready-to-play platform that doesn’t require extensive post-purchase upgrades. Its HAL ETU platform keeps you in control with programmable triggers and firing modes, while the internal architecture prioritizes reliability and repeatability. You’ll enjoy smooth trigger response, reduced misfires, and a consistent cadence that helps you maneuver, aim, and strike with confidence during complex engagement sequences.\u003c\/p\u003e \u003cp\u003eIn CQB environments, the rifle’s lightweight polymer body and SF-style stock translate to tight handling and comfortable shoulder fit for fast, reflexive shots. When the pace shifts to mid-range skirmishes, the precision barrel, robust gearbox, and stable hop-up come together to deliver predictable trajectories and hit consistency, minimizing the need for frequent adjustments under pressure.\u003c\/p\u003e \u003ch3\u003eWho benefits most from the SA-F02 FLEX Gen.2 HAL ETU\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlayers who want field-ready performance with advanced programmable features without building from scratch.\u003c\/li\u003e \u003cli\u003eExperienced players who appreciate granular control over trigger feel, firing modes, and pre-cocking for tuned engagement profiles.\u003c\/li\u003e \u003cli\u003eTeams running varied game formats (traditional CQB, 3-shot bursts, long-range skirmishes) that require quick adaptation between matches.\u003c\/li\u003e \u003cli\u003eLoadout builders seeking a compact, reliable carbine that remains comfortable during extended wear with a balance of stiffness and flexibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompared to typical airsoft carbines (without naming brands)\u003c\/h3\u003e\n\u003cp\u003eWhere many carbines settle for basic semi-auto with a single semi- or full-auto option, the SA-F02 FLEX Gen.2 HAL ETU delivers a programmable fire control system, auto bursts, and semi modes with adjustable sensitivity. Its hop-up chamber and dedicated Eraser provide more consistent backspin and BB stability than standard setups. Internals are engineered for longevity and stability under high cycle counts, and the ESA quick-spring-change system enables rapid adaptation to field conditions—advantages that translate into improved first-shot hit potential and more predictable performance over the course of a game day.\u003c\/p\u003e \u003ch3\u003ePractical tips to maximize performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse the HAL ETU’s adjustable trigger sensitivity to tailor response for your dominant hand and preferred engagement cadence. Start in the mid-range setting and fine-tune from there.\u003c\/li\u003e \u003cli\u003eExperiment with hop-up settings using the TDC Magnus chamber to lock in a stable trajectory at your typical engagement distances. Small adjustments can yield meaningful accuracy gains at mid-range.\u003c\/li\u003e \u003cli\u003eTake advantage of the ESA quick-spring-change system when switching game formats. For long-range focus, a stiffer spring helps maintain muzzle energy; for indoor CQB, a lighter setup can improve trigger response and target reacquisition.\u003c\/li\u003e \u003cli\u003eRegularly inspect AoE (Angle of Engagement) windows and front-frame alignment screw holes to maintain tight upper-lower receiver fit and minimize play between moving parts.\u003c\/li\u003e \u003cli\u003ePair the rifle with compatible modular accessories via the KeyMod front rails to optimize balance and ergonomics for your preferred playstyle (e.g., lighter optics or grip configurations for speed and maneuverability).\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eBuild quality and composition at a glance\u003c\/h3\u003e\n\u003cp\u003eFrom the body to the barrel, Specna Arms employs a thoughtful mix of materials to optimize weight, rigidity, and durability. The nylon fibre-reinforced polymer body keeps weight down without sacrificing structural integrity, while the metal components (barrel, flash hider, reload hardware) deliver robust, field-tested performance. The design also emphasizes precise fit and finish, so there’s minimal wobble between upper and lower receivers—an attribute that translates to steadier aiming during rapid-fire sequences.\u003c\/p\u003e \u003cp\u003eFor players who demand a high level of customization, the SA-F02 FLEX Gen.2 HAL ETU is supported by a broad ecosystem of upgrade parts and accessories in the related collections. If you’re exploring further enhancements or alternate configurations, consider browsing the following categories to complement your system:\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecna Arms collection\u003c\/span\u003e • \u003cspan\u003eAirsoft Rifles collection\u003c\/span\u003e • \u003cspan\u003eUpgrade \u0026amp; Accessories collection\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eIn summary, the SA-F02 FLEX Gen.2 HAL ETU is a purpose-built airsoft carbine designed to empower players with programmable control, robust internals, and field-ready versatility. It’s ideal for players who want a high-performance platform that’s ready to perform in diverse game formats, right out of the box.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"n54117_dictionary\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a1\"\u003e\n\u003cspan\u003eBattery included\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b1\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eNo\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a2\"\u003e\n\u003cspan\u003eColour\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b2\"\u003e\n\u003cdiv 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class=\"n54117_item_b1\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eElectric\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a2\"\u003e\n\u003cspan\u003eMaterial\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b2\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eAluminum\u003c\/div\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003ePlastic\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a1\"\u003e\n\u003cspan\u003eMuzzle velocity [FPS]\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b1\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003e390\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a2\"\u003e\n\u003cspan\u003eFire mode\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b2\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eFull-auto\u003c\/div\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eAdjusted burst\u003c\/div\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eSemi-auto\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a1\"\u003e\n\u003cspan\u003eGearbox version\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b1\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eGearbox v2\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a2\"\u003e\n\u003cspan\u003eHop-Up\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b2\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eYes\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a1\"\u003e\n\u003cspan\u003eInner barrel length [mm].\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b1\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003e365\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a2\"\u003e\n\u003cspan\u003eLength minimal [mm]\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b2\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003e790\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a1\"\u003e\n\u003cspan\u003eMagazine capacity [pcs.]\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b1\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003e300\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a2\"\u003e\n\u003cspan\u003eMOSFET\/ETU\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b2\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eYes\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a1\"\u003e\n\u003cspan\u003eQuick Spring Change system\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b1\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eYes\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a2\"\u003e\n\u003cspan\u003eType of plug\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b2\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003eDEANS \/ T-connect\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"element\"\u003e\n\u003ctd class=\"n54117_item_a1\"\u003e\n\u003cspan\u003eType of thread on the barrel\u003c\/span\u003e\u003cspan class=\"n67256colon\"\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"n54117_item_b1\"\u003e\n\u003cdiv class=\"n54117_item_b_sub\"\u003e14mm CCW\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Specna Arms","offers":[{"title":"Default Title","offer_id":52998340411730,"sku":"SPE-01-048380","price":182.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8454\/7507\/files\/c03343eae39d9f9095bcb97eee80b8de00b871f9_SPE_01_048380_0000.webp?v=1774202233","url":"https:\/\/airsoftmania.eu\/products\/sa-f02-flex-gen-2-hal-etu-airsoft-rifle","provider":"Airsoft Mania Europe","version":"1.0","type":"link"}