The Specna Arms SA-C06 CORE Gen.2 is a no-nonsense M4 platform AEG designed for players who want proven reliability without unnecessary frills. Specna Arms’ CORE series delivers real-world durability at a competitive price point, making it an ideal choice for woodland sites, CQB arenas, and casual skirmish days across the UK.
Key Features
- Rotary hop-up system – fine adjustable range for consistent accuracy at 310fps
- V2 Gearbox – battle-tested platform with excellent upgrade potential
- Programmable firing modes – Safe, Semi, Full Auto, and custom burst settings via control unit
- CNC aluminium handguard and alloy components – lightweight, durable construction
- Multi-position M4 crane stock – adjustable for user comfort and play style
- 20mm RIS/RAS rail system – fully compatible with scopes, red dots, foregrips and tactical accessories
- 125-round medium-capacity magazine – reduced rattle and maintenance-friendly
Real-World Use Cases
This rifle suits both newcomers and experienced players. Skirmishers appreciate the balanced ergonomics and smooth trigger response; milsim players value the realistic M4 profile and modular rail system. The 310fps figure keeps you site-legal on most UK venues (typically 328fps max with 0.20g), whilst the rotary hop-up handles 0.20g to 0.30g ammunition reliably. Whether you’re storming a bunker in woodland or holding a cordon in an urban CQB space, the SA-C06 CORE Gen.2 performs consistently.
Technical Specifications
- Muzzle Velocity: 310fps (0.20g)
- Gearbox: V2 (sector 1, large volume)
- Motor: Standard airsofting grade
- Hop-Up: Rotary, user-adjustable
- Magazine Capacity: 125 rounds (medium capacity)
- Battery: 7.4V Deans connector
- Rail System: 20mm RIS/RAS (receiver-mounted)
- Stock: Multi-position sliding M4 crane stock
- Length (OAL): 750mm (approx)
- Weight: 2.3kg
- Colour: Black
- Firing Modes: Safe, Semi, Full Auto, Programmable
- Construction: CNC aluminium handguard, alloy outer barrel and trim, high-density polymer receiver and stock, steel sockets and pins
Compatibility & Upgrades
The V2 gearbox accepts a vast range of aftermarket parts: upgraded springs, gears, motors and mosfets are widely available. The 20mm rail is universal, so you can attach any standard optic or accessory. The rotary hop-up chamber is straightforward to disassemble and upgrade; many players swap in a flat-hop bucking for improved accuracy. The Deans battery connector is standard in the UK airsoft scene, and any 7.4V LiPo or NiMh pack will work. The multi-position stock accommodates different playstyles and protective gear thickness.
UK Legal & Site Notes
At 310fps with 0.20g ammo, the SA-C06 CORE Gen.2 meets the UK velocity limits for most skirmish and milsim sites (typically under 328fps at 0.20g). Always chrono at your venue before play. The blaze orange element and two-tone option availability support UK legal requirements; this black variant may require a two-tone paint application for over-18 purchase, depending on your local site and retailer policy. Check your chosen skirmish site’s full chronograph and two-tone rules before attending.
Stock up on extra 0.20g to 0.28g BBs, grab a second magazine for extended play sessions, and invest in a quality battery charger. The SA-C06 CORE Gen.2 is ready to perform straight out of the box.


















