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Upgrade your airsoft loadout with the Specna Arms SA-C20-L CORE™ Gen.2 HAL ETU™ Airsoft Carbine, a lightweight and feature-packed M4 platform designed for exceptional performance straight out of the box. Built on the proven CORE™ Gen.2 platform by Specna Arms, this electric airsoft rifle combines a durable nylon fibre-reinforced polymer receiver with metal external components for the perfect balance of strength and weight. Equipped with the advanced HAL™ Electronic Trigger Unit (ETU), it offers programmable fire modes, adjustable trigger sensitivity, active brake, binary trigger, pre-cocking, and compatibility with brushless motors. The rifle also features the Æther™ Gearbox, ESA™ Quick Spring Change System, TDC Magnus™ Rotary Hop-Up Chamber, Helium™ Flat Hop Bucking, and a 6.03 mm precision inner barrel, providing outstanding accuracy, reliability, and adaptability for both CQB and outdoor skirmishes. With a minimalist Light Ops Stock, M4 ergonomics, and a factory muzzle velocity of approximately 390 FPS, the SA-C20-L is an excellent choice for beginners and experienced players alike. 🔧 Product Details Specification Details Brand Specna Arms Model SA-C20-L CORE™ Gen.2 Platform M4 / AR15 / M16 Power Source Electric (AEG) Gearbox Reinforced V2 Æther™ Gearbox ETU HAL™ Electronic Trigger Unit MOSFET Yes Hop-Up TDC Magnus™ Rotary Hop-Up Inner Barrel 6.03 mm Precision Barrel Inner Barrel Length 320 mm Muzzle Velocity Approx. 390 FPS Fire Modes Safe / Semi / Full Auto / Programmable Burst Magazine Capacity 125 BBs (Mid-Cap) Thread 14 mm CCW Connector Deans (T-Connect) Quick Spring Change ESA™ System Weight 2,270 g Length 840 mm ✨ Features Official Specna Arms CORE™ Gen.2 platform Advanced HAL™ ETU with Hall Effect sensors Magnetic trigger detection for improved responsiveness Adjustable trigger sensitivity (5 levels) Programmable binary trigger Adjustable pre-cocking (6 levels) Programmable burst modes Active brake for faster cycling Brushless motor compatibility Reinforced Æther™ V2 gearbox ESA™ Quick Spring Change System TDC Magnus™ Rotary Hop-Up Chamber Helium™ Flat Hop bucking 6.03 mm precision inner barrel Nylon fibre-reinforced polymer receiver Metal outer barrel, charging handle, flash hider, and controls Lightweight Light Ops adjustable stock 22 mm Picatinny top rail 14 mm CCW barrel thread for suppressors or tracer units 📦 Included in the Box Specna Arms SA-C20-L CORE™ Gen.2 Airsoft Carbine 2 × S-MAG Mid-Cap Magazines (125 BBs each) Additional M90 Spring BB Speedloader Cleaning Rod Allen Key Mini Tamiya to Deans Adapter Battery and charger not included. ⚙️ HAL™ ETU Functions The integrated HAL™ Electronic Trigger Unit provides advanced customization without additional programming devices: Magnetic Hall Effect trigger sensors Adjustable trigger sensitivity Active brake Binary trigger mode Adjustable pre-cocking Programmable semi-auto modes Programmable full-auto and burst modes Low battery warning Brushless motor compatibility Easy programming using the trigger Important: After connecting the battery for the first time, place the selector on SAFE and hold the trigger for approximately 5 seconds to activate the HAL™ module. ⭐ Why You'll Love It Ready for skirmishes straight out of the box Advanced programmable ETU included as standard Lightweight yet durable construction Excellent trigger response and shooting consistency Quick spring change for easy FPS adjustment Precision barrel for improved range and accuracy Perfect for CQB or outdoor field play Compatible with a wide range of M4 accessories 🏆 Player's Choice The Specna Arms SA-C20-L CORE™ Gen.2 HAL ETU™ delivers premium features typically found on higher-end airsoft replicas. With its advanced electronic trigger system, precision internals, quick spring change capability, and lightweight construction, it's an outstanding choice for players looking for a reliable, high-performance M4 platform. 🔫 HAL™ ETU • 390 FPS • ESA™ Quick Spring Change • Ready for Every Mission 🔫