{"product_id":"sa-f03-flex-gen-2-bldc-hal-etu-half-tan-airsoft-rifle","title":"SA-F03 FLEX Gen.2 BLDC HAL ETU Half-Tan 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\u003cimg class=\"qmark showTip\" src=\"https:\/\/gunfire.com\/gfx\/standards\/qmark2.gif?r=1773830213\" alt=\"\" title=\"\"\u003e \u003ch2\u003eSA-F03 FLEX Gen.2 BLDC HAL ETU Half-Tan Airsoft rifle\u003c\/h2\u003e \u003cp\u003eThe SA-F03 FLEX™ Gen.2 BLDC™ HAL ETU™ airsoft carbine from Specna Arms represents a refined balance of reliability, advanced electronics, and value. Built on the FLEX Gen.2 platform, it pairs a brushless direct-current (BLDC) motor with the HAL ETU control system to deliver consistent trigger response, high energy efficiency, and quiet operation while supporting harder springs without sacrificing performance. This is a ready-to-play platform designed to outmatch budget rivals while remaining accessible on the field and in the rack. \u003cspan class=\"internal-link\" data-href=\"\/nl-mt\/collections\/specna-arms\" title=\"Specna Arms Collection\"\u003eSpecna Arms collection\u003c\/span\u003e and \u003cspan class=\"internal-link\" data-href=\"\/nl-mt\/collections\/specna-arms-flex-gen2\" title=\"Specna Arms FLEX Gen2 Collection\"\u003eFLEX Gen2 lineup\u003c\/span\u003e.\u003c\/p\u003e \u003cp\u003eThe Heart of the Flex Gen.2 is a hardware and software ecosystem engineered for immediate responsiveness and dependable power delivery. The BLDC motor eliminates the wearing parts of a traditional brushed motor, reducing sparking, heat buildup, and long-term maintenance while preserving high-torque performance from the first trigger pull. This yields steadier volleys in semi and seamless ramping in auto modes, enabling you to stay consistent under pressure on the field. \u003cspan class=\"internal-link\" data-href=\"\/nl-mt\/collections\/specna-arms-flex-gen2\" title=\"Specna Arms FLEX Gen2 Collection\"\u003eLearn more in the FLEX Gen2 family\u003c\/span\u003e.\u003c\/p\u003e \u003ch3\u003eKey innovations and why they matter on the field\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBLDC motor architecture\u003c\/strong\u003e delivers longer service life (no wearing parts), lower heat generation, and stable performance even at high speeds. This means more reliable cycles per match and less downtime between games. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Down Center (Magnus) Hop-Up chamber\u003c\/strong\u003e enables very precise, repeatable adjustments to the BB trajectory, improving accuracy in varying engagement distances. This chamber is Europe-patented (EP 015052069-0001). \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHelium™ Flat Hop Eraser\u003c\/strong\u003e improves the ball’s under-curve stability, contributing to flatter, more consistent shots across RPM ranges. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eÆther™ Gearbox\u003c\/strong\u003e with reinforced frame, mainspring release, pre-cocking, and AoE inspection windows for predictable torque management and easy serviceability. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium sealed nozzle\u003c\/strong\u003e ensures consistent air seal for every shot, reducing FPS variance and shot-to-shot drop. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced frame with ready-to-mod features\u003c\/strong\u003e including pre-cocking and AoE inspection windows, plus screw holes for frame alignment. The design supports easy maintenance and upgrades for dedicated players. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticulated HAL ETU system\u003c\/strong\u003e combines magnetic sensor trigger detection, active brake, and a programmable trigger with adjustable sensitivity (five levels from 20% to 100%), plus adjustable pre-cocking (six levels). It also includes AUTO programmable fire modes (full auto, semi, 3-round burst, 5-round burst) and sEMI programmable modes (semi, binary, AUG, sniper). The programming is accessible via the trigger interface. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-burst logic\u003c\/strong\u003e with AUTO firing pattern starts with a 3-round burst, then proceeds to Full Auto for rapid follow-ups in contact situations. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility with brushless motors\u003c\/strong\u003e ensures the HAL ETU can leverage BLDC performance without compromising safety or reliability. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction and materials\u003c\/strong\u003e – the replica uses a nylon fibre-reinforced polymer main body with critical metal parts (flame suppressor, exterior barrel, dummy slide, shell ejector flap, fire mode switch, breech release button, magazine clip, QD attachments, pins, and reloading lever), delivering a durable yet light-weight platform. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel and hop system\u003c\/strong\u003e – Specna Arms proprietary barrel design paired with the Magnus Hop-Up system to enhance ergonomics and accuracy in field setups. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal ergonomics\u003c\/strong\u003e – enlarged selectors, a functional bolt-catch, and a Light Ops Stock with low weight and a modern silhouette. Rubber non-slip stickers on the cheek area and a curved stock foot provide secure shoulder contact in dynamic play. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady-for-mod features\u003c\/strong\u003e – pre-cocking, gear-ready frame alignment, and inspection windows make field tuning straightforward for players who push the platform beyond stock performance. \u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat this means in practice\u003c\/h3\u003e \u003cp\u003eFor players who crave a dependable, feature-rich carbine straight out of the box, the SA-F03 FLEX Gen.2 HAL ETU balances affordability with advanced internal technology. The combination of a BLDC motor, HAL ETU programming, and Magnus Hop-Up delivers tight grouping at mid-range distances, rapid follow-up shots, and a smoother trigger experience in both semi and auto modes. The reinforced Æther Gearbox and Mainspring integration support long-term reliability, even when you swap in higher-torque springs to push FPS targets or adjust for field regulations. This is a platform designed for players who want to focus on field performance rather than custom tinkering to reach the shop’s recommended baseline. \u003c\/p\u003e \u003cp\u003eTwo practical setups you can consider right away:\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOut-of-the-box skirmish: rely on the factory tuning of the HAL ETU for semi and AUTO where the 3-round burst pattern helps control rate of fire in dense contact zones.\u003c\/li\u003e\n\u003cli\u003eUpgrade path: pair with high-torque springs (up to M140 range) and fine-tune the pre-cocking and trigger-sensitivity settings to optimize for your local field limits and playstyle. The internal layout is designed to accept these upgrades without extensive mechanical changes. \u003c\/li\u003e\n\u003c\/ul\u003e\n \u003cp\u003e\u003cem\u003eBrand note:\u003c\/em\u003e Specna Arms brings a consistent engineering ethos to VALUE-focused platforms. The SA-F03 FLEX Gen.2 line extends that heritage with a refined internal architecture and a user-focused external design, aimed at players who want a capable, modular AEG without paying a premium. For a broader view of Specna Arms’ FLEX Gen.2 ecosystem, check the Specna Arms collection and the FLEX Gen2 family in your store’s internal catalog. \u003cspan class=\"internal-link\" data-href=\"\/nl-mt\/collections\/specna-arms-flex-gen2\" title=\"Specna Arms FLEX Gen2 Collection\"\u003eSpecna Arms FLEX Gen2 Collection\u003c\/span\u003e \u003cspan class=\"internal-link\" data-href=\"\/nl-mt\/collections\/specna-arms\" title=\"Specna Arms Collection\"\u003eSpecna Arms Collection\u003c\/span\u003e.\u003c\/p\u003e \u003ch4\u003eTechnical snapshot\u003c\/h4\u003e \u003cul\u003e\n\u003cli\u003ePlatform: SA-F03 FLEX Gen.2\u003c\/li\u003e\n\u003cli\u003eMotor: BLDC brushless – reduced wear and cleaner power delivery\u003c\/li\u003e\n\u003cli\u003eHop-Up: Magnus TDC Top Down Center with precision adjustment\u003c\/li\u003e\n\u003cli\u003eMaterial mix: Nylon fibre-reinforced polymer body with critical metal components\u003c\/li\u003e\n\u003cli\u003eGearbox: Æther™ with reinforced frame, mainspring release, pre-cocking, AoE inspection windows\u003c\/li\u003e\n\u003cli\u003eFire modes: HAL ETU programmable (semi, full auto, 3\/5-round bursts, binary, AUG, sniper, etc.) with trigger-sensitivity and pre-cocking adjustments\u003c\/li\u003e\n\u003cli\u003eBarrel and nozzle: Specna Arms proprietary 6.03 mm barrel and aluminium sealed nozzle\u003c\/li\u003e\n\u003cli\u003eStock: Light Ops Stock – lightweight, modern, shoulder-ready with rubberized cheek areas\u003c\/li\u003e\n\u003cli\u003eWarranty and serviceability: designed for field maintenance and easy part replacement\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its combination of advanced electronics, robust mechanicals, and thoughtful ergonomics, the SA-F03 FLEX Gen.2 HAL ETU is suited for mid- to advanced-level players who want reliability, consistency, and a future-friendly upgrade path in a single, affordable airsoft carbine.\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\u003eBearings diameter [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\"\u003e8\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\u003eBlow Back\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 class=\"n54117_item_b_sub\"\u003eHalf-Tan\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\u003eProduct length [cm]\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\"\u003e80.50\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\u003eProduct weight [g]\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\"\u003e2235\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\u003ePower supply\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\"\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\"\u003e410\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\"\u003e275\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\"\u003e720\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\"\u003e125\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":52998340084050,"sku":"SPE-01-048402","price":250.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8454\/7507\/files\/269e6f68b0f52548eb85eba2e80d1c40dbcb1abe_SPE_01_048402_0000.webp?v=1774202234","url":"https:\/\/airsoftmania.eu\/nl-mt\/products\/sa-f03-flex-gen-2-bldc-hal-etu-half-tan-airsoft-rifle","provider":"Airsoft Mania Europe","version":"1.0","type":"link"}