Specna Arms SA-C20 CORE Gen.2 M4 AEG Rifle – Black

The Specna Arms SA-C20 CORE Gen.2 delivers reliable performance in a platform trusted across UK airsoft sites. Built around a solid V2 gearbox and standard motor, this M4/AR-15 pattern rifle balances consistency with upgrade potential—ideal whether you’re starting out or experimenting with a secondary gun.

Key Features

• 315 fps (0.20g) – site-legal velocity for most UK outdoor and indoor skirmish venues
• M-LOK rail system with pre-installed 20mm Picatinny sections – modern accessory mounting without rail clutter
• Programmed firing modes (Safe, Semi, Full Auto, Programmable) – adjustable trigger response and burst control via standard MOSFET
• CNC-machined aluminium handguard – lightweight yet rigid, resists flex under load
• Multi-position M4 Crane Stock – adjust length of pull for comfort and battery access
• Twin 125-round medium-capacity magazines included – realistic reload intervals, low-profile profile on the mag well

Real-World Use Cases

• Woodland & Urban Skirmish: compact 740 mm length keeps you mobile in tight cover; 2.11 kg makes it easy to handle all day
• Milsim Events: M4 platform aesthetics and modular rail system suit modern tactical loadouts; programmable modes let you train trigger discipline
• Secondary or Loaner Rifle: tough polymer receiver and steel internals withstand rental-level wear; easy to strip and maintain
• Upgrade Platform: V2 gearbox accepts countless aftermarket parts; Deans connector and 7.4V LiPo battery support are standard parts-shelf items

Technical Specifications

• Chrono (0.20g): 315 fps
• Gearbox: V2 (standard V2 configuration)
• Motor: Standard long-type
• Hop-Up: Rotary adjustable
• Magazine Capacity: 125 rounds (medium-capacity)
• Magazine Compatibility: Standard AEG, M4 (medium-cap)
• Battery: 7.4V LiPo with Deans connector (Deans-to-Mini-Tamiya adaptor included)
• Overall Length: 740 mm (stock fully retracted)
• Weight: 2.11 kg (unloaded)
• Firing Modes: Safe, Semi-Automatic, Full Automatic, Programmable
• Colour: Black anodised finish
• Construction: CNC aluminium handguard; alloy flash hider, outer barrel and trim; high-density polymer stock, buffer tube, receiver and grip; steel dust cover, pins and screws
• Rail System: 20mm railed receiver with M-LOK slots; pre-installed Picatinny rail sections

Compatibility & Upgrades

The SA-C20 sits on the industry-standard M4 platform, meaning aftermarket parts are abundant and affordable. V2 gearboxes are well-documented; you’ll find countless motor upgrades, spring options, and internal wear parts from UK retailers. The M-LOK handguard is future-proof—add PEQ boxes, vertical grips, or pressure pads as your loadout evolves. Standard battery compartment accepts most 7.4V LiPo and 9.6V NiMH packs; the included Deans adaptor ensures compatibility out of the box.

UK Legal & Site Notes

At 315 fps on 0.20g ammo, the SA-C20 complies with UK airsoft site limits (typically 328–350 fps for AEGs at outdoor venues; indoor sites often cap at 300–320 fps). Always chrono before play and check your site’s specific power limits. The 740 mm length and 125-round magazines keep you legal and nimble; no need for custom limiter springs if your site is standard. Airsoft Skirmish UK and MilSim West venues welcome M4 platforms—just confirm barrel length rules for your event.

Ready to add a reliable, upgrade-friendly M4 to your armoury? The Specna Arms SA-C20 CORE Gen.2 punches above its price point. Order now from Airsoftdirect, and enjoy free UK delivery on orders over £99. Stock includes two magazines and a speed loader—everything you need to get on the field today.