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SA M4A1 RIS Gen2 (SA-C03 CORE™ HAL ETU™) – Black
Specna Arms M4A1 RIS Gen2 (SA-C03 CORE™ HAL ETU™) in black finish is a high-performance airsoft rifle with 115 m/s power and upgraded internals. It features a HAL ETU™ processor unit with pre-cocking and trigger sensitivity adjustment. The nylon body and metal RIS handguard ensure excellent handling, while the TDC hop-up chamber with Helium™ flat bucking delivers great accuracy and range.
Accessories
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BLS PRECISION Airsoft Pellets weighing 0.25 g in a pure white finish. 1 kg package (resealable bag, 4000 BBs). The most popular ammunition for all airsoft guns (rifles, sniper rifles, LMGs, SMGs, shotguns, and pistols). Suitable for AEG, HPA, gas guns, and spring-powered replicas. The world’s best-selling BBs. Hand-measured quality control. BLS –...
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9,68 € In StockBLS PRECISION Airsoft Pellets 0.28g, 3500 BBs (Bag) - White: BLS
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BLS PRECISION Airsoft Pellets weighing 0.28 g in a pure white finish. 1 kg package (resealable bag, 3500 BBs). The most popular ammunition for all airsoft guns (rifles, sniper rifles, LMGs, SMGs, shotguns, and pistols). Suitable for AEG, HPA, gas guns, and spring-powered replicas. The world’s best-selling BBs. Hand-measured quality control. BLS –...
9,68 €In Stock
10,15 € In StockSA Hi-Cap Magazine S-MAG for M4 / AR15, 380 BBs - BlackSPARMS029-BK
S-MAG Hi-Cap Magazine for AEG M4 / AR15 Rifles (MK18, HK416) by Specna Arms in black. 380 BBs capacity. Reliable winding, perfect feeding, less frequent reloading. Durable polymer body with texture for a secure grip. Slim profile suitable even for tight pouches. Best choice for Specna Arms PRIME™ rifles and other series.
10,15 €Out of stock
9,30 € In StockSA Mid-Cap Magazine S-MAG for M4 / AR15, 125 BBs - BlackSPARMS030-BK
S-MAG Mid-Cap Magazine for AEG M4 / AR15 Rifles (MK18, HK416) by Specna Arms in black. 125 BBs capacity. Reliable feeding even at high RoF and with heavier BBs. Durable and lightweight polymer body with textured surface for a secure grip. Slim profile suitable even for tight pouches. Best choice for Specna Arms PRIME™ rifles and other series.
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57,09 € In Stock5KU SOCOM 556 Airsoft QD Suppressor (178 mm), 14 mm CCW - Black: 5KU
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16,92 € In StockWST Lever Silence Speedloader, 1000 BBs - Black: Wosport
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16,92 €Out of stock
12,69 € In StockWST FARAON 2-Point Tactical Sling – Black: Wosport
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12,69 €Out of stock
63,01 € In StockVO MAVERICK 1x22 Gen3 Red Dot Sight, S-MIL - BlackSCRD-41
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63,01 €On the way
33,41 € In StockLi-Pol battery TITAN 11,1V 1200mAh, 25C (T-Dean) - Stick (buffer): TITAN
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TITAN 11.1V 1200 mAh Li-Po Battery with a discharge rate of 25C in Stick (buffer) configuration. Dimensions: 126 x 19 x 17 mm. Connector: T-Dean. Excellent performance, rate of fire, longer battery life and better trigger response. Ideal for AEG assault rifles, LMG, SMG / PDW and DMR weapons. Charge only with high-quality, powerful chargers. Don’t...
33,41 €Out of stock
11,42 € In StockSA EDGE ULTRA™ Pellets 0.28g, 3500 BBs (Bag) - White1KG-EDGEULTRA28
EDGE ULTRA™ BBs – the best ammunition by Specna Arms. Weight of 0.28 g, 3500 BBs per package. Resealable bag. The highest quality BBs straight from the G&G factory. Strictest quality control. Perfectly smooth surface. Maximum flight trajectory. Reduces barrel vibrations and improves hop-up. Suitable for AEG, HPA, GBB, CO2, and spring sniper rifles.
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24,95 € In StockSA EASY LIPO CHARGER and Battery 11,1V 1000mAh, 20C - Stick...SPARMS266
EASY LiPo Charger and 11.1V 1000mAh, 20C Battery Set by Specna Arms. Ideal for beginners and advanced users. Reliable and safe charger without unnecessary features. The battery is suitable for AEG AR15 rifles (M4, MK18), AR9 with wiring in the stock tube including small PDW stocks. LED light indicates charging (red) and fully charged (green). Battery...
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C1 4x32 Prism Scope by VictOptics in black. Lightweight and compact optic with 4x magnification. BDC reticle for .223 / 5.56 caliber, 750 G shockproof. Rubber-armored body for increased protection. Top plate for mounting red dot (TEK / MOJ / MGT footprint). Red and green illumination (5 levels each). IPX4 water resistance. Nitrogen purged to...
105,30 €On the way
63,44 € In StockGens ACE G-TECH iMars S100, 100W Universal Charger - Black: Gens ACE
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G-TECH iMars S100 universal charger by Gens ACE in black. Power output up to 100 W with 10 A charging current support. Compatible with G-TECH smart batteries. Can charge Li-Pol, Li-Ion, LiFe (2–6S) and NiMH batteries (4–18S). Ideal for FPV drones, airsoft and RC models. XT60 and T-Dean adapter included.
63,44 €In Stock
21,15 € In StockGens ACE Li-Pol Battery 11.1V 1000mAh, 25C, T-Dean - Buffer Stick: Gens ACE
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LiPo Battery 11.1V - 1000 mAh (25C) by Gens ACE in Buffer stick configuration. Dimensions of 103 x 18 x 16 mm. T-Dean connector. High-performance 11.1V LiPo battery with 25C discharge rate. Increases rate of fire and improves motor response. Suitable for AEG rifles, machine guns, SMG/PDW, and DMR platforms. Use only with quality high-performance...
21,15 €In Stock- Novritsch Flare Smoky BT Tracer Suppressor & Chrono – Black
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Novritsch Flare Smoky BT Tracer & Chrono in black combines BBs illumination, smoke effect, muzzle flash simulation and Bluetooth chrono in one device easily controlled via the ESHOOTER app. It offers 8 modes and features a CNC-machined aluminum body with VG & PG 50/50 liquid leak certification. Dimensions are 126 × 38 mm.
109,53 €In Stock
Why Choose M4A1 RIS CORE™ Gen2 from Specna Arms?
Specna Arms M4A1 RIS Gen2 (SA-C03 CORE™ HAL ETU™) is built around a lightweight yet durable CORE™ series nylon body reinforced with glass fiber, offering a realistic matte finish and high resistance to wear, even compared to cheaper alloy bodies. The metal outer barrel with a 14 mm CCW thread and steel components such as pins, screws, and ejection port provide strength where it matters most. The result is an extremely lightweight yet solid AEG rifle with excellent handling. Controls are based on the AR15 (M4) platform, making operation intuitive and easy to learn. It features an ambidextrous charging handle, clear fire selector, and quick hop-up adjustment via the ejection port. The RIS handguard allows mounting accessories such as a foregrip, tactical flashlight, or PEQ box. The spacious Crane stock with QD sling points provides stable support for accurate shooting. The battery is stored in the stock, allowing the use of buffer stick, nunchuk, or crane batteries. Overall, this rifle combines low weight, proven design, and upgraded Gen2 internals in one accessible platform. The CORE™ Gen2 series stands out with durable construction and upgraded internals such as the Æther™ gearbox with HAL ETU™, metal nozzle, TDC hop-up chamber with Helium™ flat bucking, and a 6.03 mm precision inner barrel.
Key Features of Specna Arms M4A1 RIS CORE™ Gen2
Technical Specifications
- Platform: M4 / AR15
- Series: CORE™ Gen2
- Length: 800-890 mm
- Weight: 2675 g
- Power Source: AEG
- Unit: HAL ETU™
- Gearbox: Æther™ V2 QSC (reinforced)
- Quick Spring Change: Yes (ESA™)
- Hop-up: TDC
- Inner Barrel: 6.03 mm
- Velocity: 115 m/s
- Bearings: 8 mm (ball bearings)
- Connector: T-Dean
- Body Material: Fiber-reinforced nylon
- Handguard Material: Metal
- Handguard Type: RIS
- Thread: 14 mm CCW
Package Contents
- Specna Arms M4A1 RIS CORE™ Gen2
- 2× S-MAG mid-cap magazine (125 BBs)
- Flip-up rear sight
- M90 spring
- Speedloader
- Vertical RIS grip
- Specna Arms stickers
- User manual
Important Setup Instructions
To use the rifle, you must activate the HAL ETU unit by following these steps, otherwise the gun will not respond:
- Set the fire selector to Safe
- Connect the battery and wait 3 seconds until you hear a beep
- Pull and hold the trigger for 5 seconds until another beep is heard
- The rifle is now ready to use
| Variants | CORE™ Gen2 |
| Color | Black |
| Muzzle velocity (m/s) | 115 (m/s) |
| Recommended weight of ammunition | 0,25g - 0,28g |
| Thread (mm) | 14- (mm) |
| Outer length MINIMAL (mm) | 800 (mm) |
| Outer length MAXIMAL (mm) | 890 (mm) |
| Inner barrel length (mm) | 375 (mm) |
| Weight (g) | 2675 (g) |
| Body/receiver material | ABS / Plastic |
| Mounting System | RIS / Picatinny |
| Gearbox version | V2 - ESA™ |
| Amount of piston teeth | 14 |
| Bearings (mm) | 8 (mm) |
| Bearings (material) | Metal |
| Piston head | Plastic |
| Nozzle | Metal |
| Spring guide | Plastic |
| Hop-Up chamber material | Plastic |
| Battery type | Buffer stick |
| Connector type | T-Dean |
| Magazine material | Plastic |
| High-cap / Mid-cap | Mid-cap |
| Magazine capacity | 125 |
| Processor unit | YES |
| Blowback | NO |
| Battery included | NO |
| Battery Charger | NO |
| Weapon accessories | Yes |