Specna Arms SA-C05 CORE HAL ETU M4 – Half-Tan

The Specna Arms SA-C05 CORE HAL ETU M4 AEG combines proven engineering with affordability, making it an excellent choice for airsoft skirmishers stepping up from starter weapons or returning players seeking a no-fuss workhorse. Built around a solid V2 gearbox platform and powered by a standard motor, this rifle delivers consistent trigger response and reliable semi and full-auto fire modes across extended skirmish days.

Key Features

• 310 fps velocity (0.2g BB) – competitive for UK sites and UKARA-registered fields
• Rotary hop-up unit – fine-tuned range and accuracy without complexity
• V2 gearbox – battle-proven platform with excellent aftermarket upgrade compatibility
• CNC-machined aluminium handguard and suppressor – rigid, professional finish
• 20mm RIS/RAS rail receiver – mount optics, lights, or tactical accessories easily
• Multi-position M4 crane stock – adjust length of pull for different gear and players
• Half-Tan colour scheme – practical aesthetics for woodland and mixed-terrain sites

Real-World Use Cases

This rifle excels in competitive skirmish environments where reliability and magazine capacity matter. The 300-round high-capacity magazine keeps you in the fight longer between reloads, while the rotary hop-up minimises variance across outdoor ranges. Woodland skirmishers appreciate the Half-Tan finish for natural camouflage, and its 645 mm length suits CQB corridors and open-field engagements equally well. New players benefit from straightforward controls and no exotic features to manage; veterans upgrading from worn AEGs find the V2 gearbox a familiar, upgradeable foundation.

Technical Specifications

• Velocity: 310 fps (0.2g BB)
• Gearbox: V2
• Motor: Standard
• Hop-up: Rotary
• Firing Modes: Safe, Semi-Automatic, Full Automatic
• Magazine Capacity: 300 rounds (high-capacity compatible)
• Battery: 7.4V Deans connector
• Length: 645 mm
• Weight: 2.11 kg
• Rail System: 20mm RIS/RAS receiver with railed handguard
• Stock: Sliding multi-position M4 crane stock
• Colour: Half-Tan

Compatibility & Upgrades

The V2 gearbox is one of airsoft’s most widely supported platforms. High-capacity and mid-cap AEG magazines feed reliably, and the 20mm rail accepts industry-standard optics, laser units, and tactical lights. The 7.4V Deans battery slot accepts most AEG packs; many players upgrade to 11.1V LiPo for snappier trigger response, though this requires a smart charger. Aftermarket parts—springs, piston heads, shimming kits—are plentiful and affordable, making incremental performance tuning accessible to players with basic maintenance skills.

UK Legal & Site Notes

At 310 fps, this rifle sits safely under the UKARA 350 fps limit for most sites; always chrono on arrival. Two-tone Half-Tan finish complies with UK Airsoft Association guidelines. Registration with UKARA is recommended for purchasing ammunition and accessing registered skirmish sites. Magazine capacity poses no legal issue in the UK, though some sites enforce internal limits—check before your event.

The Specna Arms SA-C05 CORE is trusted by budget-conscious skirmishers across the UK. Order today and get a magazine and cleaning kit included.