Specna Arms SA-H21 Edge 2.0 AEG Carbine Rifle

Specna Arms
RRP £224.99
Save £25.00
  • Based on the 416 Rifle
  • Highly Upgraded

Part of the EDGE 2.0 series of rifles this Airsoft AEG features a high quality build and a range of high quality upgrades right out of the box. No need to worry about upgrading the rifle, this gun comes pre-packed with everything you'll ever need. Just pick up the gun and play. This particular rifle is based on the iconic 416 rifle, used by many armed forces around the world, and is featured in many video games. You'll struggle to find another Airsoft replica in this price range with the features this replica has.

Full description


The gun is constructed from high quality materials, with a mix of alloy, steel and polymers. The replica features a full metal receiver, buffer tube, hand guard, outer barrel and flash hider, with a polymer stock and pistol grip. Every bit of the rifle is high quality, with a high level of attention to detail. The gun features a solid, wobble free build, and is highly realistic.

The replica features everything you would expect from a standard AEG, but comes packed with much much more under the hood.

Based on the 416 the replica features a four point 20mm RIS / RAS railed hand guard, allowing for a variety of aftermarket grips, bi pods, launchers, lasers and more to be fitted. 20mm is the most common rail in Airsoft, meaning you'll have access to a wide variety of parts to truly make the replica your own. To get you started a forward vertical fore grip is included in the box. 

The top of the replica also features a full length 20mm RIS RAS rail. The top rail of the receiver lines up perfectly with the top rail of the hand guard, allowing large sight and scope setups to be used. If you fancy a scope for longer range shots, there is enough space for even the biggest of sights. If you want to try out a more advanced holographic and flip to sight magnifier there is space for that too. If you require access to the full length of the top rail the included iron sights can easily be removed using a single screw on each sight.

The replica features an adjustable hop-up unit, and thanks to its radial design allows for fine tuning and precision adjustments for the perfect shot. The hop-up unit works by pushing a small patch of rubber in the path of the BB which adds backspin to the BB to improve the range and accuracy of every shot. The hop-up is fully adjustable to allow a range of weights of BBs to be used. The hop-up unit can be accessed by pulling the mock charging handle to the rear, which pulls back the mock bolt plate to allow you to make adjustments.

To the rear of the replica you can find the 416 style stock which doubles up as the battery compartment. Simply twist the butt pad to the left to reveal the ample battery space perfect for medium two and three cell LiPo battery battery. The stock is easy to adjust, with a large push mechanism which locks the stock into place. The rubberised butt plate is also texture to prevent the gun from slipping against your rig or in wet weather. The rear of the weapon also features an ambidextrous single point sling plate, allowing you to attach a sling on the left or right side depending on your dominant side.

For further levels of customisation you can also remove the front flash hider to reveal a 14mm CCW threaded outer barrel, the most common on the market, allowing you to attach a wide variety of aftermarket suppressors and tracer units to really make the replica your own.

Internally is where the replica really starts to shine. The gun comes packed with a wide variety of features which would cost hundreds of points to fit aftermarket right out of the box. Not only does the replica feature a re-inforced gearbox with many upgrade parts, it also features a highly advanced MOSFET system, a computerised system designed to enhance and improve the performance of the replica.

The GATE ASTER is not just any MOSTFET designed to protect your trigger contacts, the ASTER is a direct replacement for the trigger mechanism and features a smart chip and many optical sensors designed to not only improve the performance of the replica, but also report and track logs of the performance of your gun. The ASTER has many features which can be programmed either via the trigger, or ideally through a PC, allowing for a wide range of stats and settings to be adjusted. Using the trigger you can program the more basic features of the MOSFET, allowing you to configure the Fire Modes, Burst Modes, Battery Protection, Active Braking, and reset factory settings, but when the unit is plugged into a PC it really shines, allowing for advanced diagnostics and more advanced features to be unlocked. You can also adjust the sensitivity of the trigger, with up to 250 different available activation levels thanks to the units highly advanced optical monitoring system.

Not only does the gun feature a top of the line MOSFET, the gearbox has also been upgraded. Internally the piston has been upgraded with a full set of steel teeth to protect against stripping during long term use, and has been paired with a high quality set of steel gears for maximum performance. The air seal of the system has also been upgraded, with a double air sealed cylinder head and piston head, as well as an air sealed nozzle. To keep everything running smoothly the gearbox features a ball bearing spring guide to allow the spring to rotate freely, with the gears sitting atop high quality 8mm ball bearings. The motor of the replica is also upgrade, with a high torque motor which is equipped with powerful neodymium magnets. If you want to adjust the power of the replica then it can be done without having to open the gearbox thanks to SPECNA's ESA2 Quick spring change system: simply remove the stock and unscrew the spring guide. The spring then comes out the rear of the gearbox and the new one can quickly be swapped out. The barrel of the replica has even been upgraded with a 6.01 tightbore barrel for great range and accuracy.

This gun is probably one of the last guns you'll ever need to buy. Every upgrade you'll ever have to think about is already fitted, and there are hundreds of possible configurations available. This gun is perfect for any Airsoft skirmisher who want to have the best possible gun out the box, with no worries about the internals of the replica you can concentrate on the externals of the replica and your load out.


  • Upgraded EDGE 2.0 Model
  • Based on the 416 rifle
  • ORION Gearbox
  • Safe / Semi / Fully Automatic Firing Modes
  • Battery storage compartment in stock
  • 416 Style four point 20mm RIS / RAS hand guard
  • 416 Style six position rubberised sliding stock
  • 416 Style finger ridged pistol hrip
  • 416 Style removable 20mm RIS / RAS iron sight pair
  • Extended mock charging handle
  • Rear ambidextrous sling loop
  • Included 20mm RIS / RAS vertical grip
  • Full top length 20mm RIS / RAS rail
  • Adjustable radial hop-up unit
  • Flat Trigger Guard
  • 140rnd S-MAG Mid-cap Magazine
  • ESA2 spring change system
  • Optical Sensor MOSFET
  • Battery reverse polarisation protection
  • 250 trigger sensitivity options
  • Compatible with the GATE Control Station App
  • RGB LED Programming LED
  • Reinforced polymer piston with steel teeth
  • Aluminium air-sealed nozzle
  • Aluminium double air seal cylinder head
  • Aluminium double air sealed piston head with bearings
  • 390mm 6.03mm high precision tight bore barrel
  • Ball bearing spring guide
  • Steel gears
  • 8mm ball bearings
  • High torque neodymium motor
  • Pre-wired to Deans battery connectors
  • Mock bolt plate locks back
  • Specna Arms warranty sealed gearbox
  • Individual Serial Number
  • CE Marked
  • Branded:
    • 'CAGE: 68407'
    • 'PART# 49672380'
    • 'SERIAL# SA2689'
    • '5.56MM NATO'
    • 'H00xxxx'

Package Includes

  • SA-H21 EDGE 2.0 AEG Rifle
  • S-MAG Mid-Cap magazine x2
  • Front 20mm RIS / RAS grip
  • User Manual
  • GATE ASTER diagnostics card
  • Deans to Tamiya Battery Connector

Special Instructions

Some more advanced functions of the ASTER system are available in the GATEControl Station (GCS), and require the GATE USB Link to be used on PC. 

The GATE ASTER firmware can be upgraded with more feature via the GATE Control Station for an additional fee, and is done through GATE via the app.

More information on the GATE ASTER can be found on the GATE ASTER Homepage.

The externals of the replica are metal where they would be on the real world gun. This includes things like the outer barrel, handguard, and receiver. If a real world gun has polymer parts then the gun will still be marked as full metal externals, examples of this would be an M4, where the Stock and Pistol grip are always made from Polymer.



Weapon Construction External
Weapon Type
Assault Rifle
Over 18 Only Icon
Over 18
Icon UKARA - United Kingdom Airsoft Retailer Association
Defence / UKARA Required
Yes, No,
FPS Icon
FPS (Feet Per Second), using 0.20g BB
Approx. 312fps ± 10%, using 0.20g BB
Site Legal Icon
Site Legal, using 0.20g BB
Screwdriver Icon
Included Items
  • Instruction Manual
  • Diagnostics Card
  • Magazine x2
Skill Level Icon
User Skill Level
Regular Player, Experienced Player,

Weight and Dimension

Weight KG Icon
Weight (KG)
Approx. 3.28kg
Weapon Length Collapsed
Length (Collapsed)
Weapon Length Extended
Length (Extended)


Colour Wheel Greyscale
Primary Colour
Colour Wheel Greyscale
Secondary Colour
Two Tone Icon
Pre Two-Toned
Construction Icon
full metal receiver, buffer tube, hand guard, outer barrel and flash hider, with a polymer stock and pistol grip
Weapon Construction External
External Construction
Gearbox Icon
Internal Construction

Weapon Specific

Power Source Icon
Powered By
Blowback Icon
Weapon Platform
416 Series
Magazine Style Icon
Magazine Style
Fire Select Icon
Fire Selector
PatrolBase | Fire Select Safe
Patrol Base | Fire Select - Semi Automatic
Semi Automatic
Patrol Base | Full Automatic
Full Automatic
Weapon Safety Features Icon
Safety Features
Trigger Disconnect
Shooter Configuration Icon
Shooter Configuration
Right Handed
Weapon Configuration Icon
Weapon Configuration
Weapon Scale Icon
Weapon Scale
Suggested BB Weight


Hop-Up Unit Icon
Hop-Up Unit
Hop-Up Unit Adjuster Icon
Hop-Up Adjuster
Hop-Up Unit Location Icon
Hop-Up Location
Adjustable behind mock bolt plate when charging handle to the rear.


Weapon Furniture Icon
  • Railed Handguard
  • Ironsights
  • Sliding Stock
  • Ambidextrous Sling Plate
Rail System Icon
Rail System
20mm RIS / RAS
Icon Stock Positions
Stock Setting
Weapon Length Extended
Stock Positions
6 Position
Sight Type Icon
Sight Type
Open Iron Sight


Outer Barrel Length (in)
Icon Thread Type
Outer Barrel Thread Type
Icon Thread Direction
Outer Barrel Thread Direction
CCW (Counter Clockwise)
Outer Barrel Thread Size
Inner Barrel Diameter
Inner Barrel Length

Magazine Specific

Magazine Type
Medium Capacity , Spring Loaded, AEG,
Magazine BB Capacity
Approx. 125 Rounds
Magazine BB Fill Method
Speed Loader
Magazine BB Fill Location

Electric Gun Specific Information

Gearbox Icon
Gearbox Version
V2 Gearbox
Wiring Icon
Gearbox Wiring
Rear Wired
Spring Change Icon
Gearbox Quick Change Spring
Digital Trigger Icon
Gearbox Electronic Trigger
Split Gearbox Icon
Split Gearbox Design
Airsoft Motor Icon
Motor Type
High Torque
Battery Specific
Battery Connector
Patrol Base | Icon | Deans
Deans To Mini Tamiya
Deans To Mini Tamiya Adaptor
Suggested Battery
Suggested Battery Type
Suggested Battery Configuration
Suggested Battery Voltage

Product Testing Data

Notepad Icon
Test Description
Tested using 0.20g BB
Notepad Icon
Test Date

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