The M4 airsoft SA-C21 CORE HAL ETU Gen.2 in Olive from Specna Arms is a reliable, precise, and affordable field-ready carbine. Built on the Core Gen.2 platform and equipped with the HAL ETU Gen.2 electronics, this rifle delivers consistent performance in every skirmish. This olive M4 airsoft carbine with HAL ETU Gen2 electronics carries the Specna Arms reputation for durability, value, and easy maintenance—a smart choice for both new players and seasoned enthusiasts. Explore more options in our airsoft guns collection and find the perfect setup for your loadout. 🔥⚡
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Trusted Specna Arms quality — a durable, value-driven platform backed by a renowned brand.
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HAL ETU Gen.2 electronics — fast, reliable trigger response with advanced electronic control for consistent performance.
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Core Gen.2 platform — redesigned internals that improve durability and overall performance in the field.
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Olive finish — tactical camouflage look that suits outdoor skirmishes and loadout versatility.
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Out-of-the-box readiness — ready to skirmish with minimal setup and get you into the action quickly.
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Budget-friendly option — delivers strong performance without compromising on reliability or value.
Technical specifications
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Brand: Specna Arms
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Model: SA-C21 CORE HAL ETU Gen.2
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Platform: Core Gen.2
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ETU: HAL ETU Gen.2
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Color: Olive
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Type: M4 airsoft carbine
| Battery included |
No
|
| Blow Back |
No
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| Colour |
Olive
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| Product length [cm] |
72
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| Product weight [g] |
2140
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| Muzzle velocity [FPS] |
390
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| Fire mode |
Full-auto
Adjusted burst
Semi-auto
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| Gearbox version |
Gearbox v2
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| Hop-Up |
Yes
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| Inner barrel length [mm]. |
210
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| Magazine capacity [pcs.] |
125
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| MOSFET/ETU |
Yes
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| Specna Arms Line |
CORE™
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| Quick Spring Change system |
Yes
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| Type of plug |
DEANS / T-connect
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| Type of thread on the barrel |
14mm CCW
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