CYMA CM.103A AK Alfa AEG

CYMA
Code: FB4085
£249.99
  • Full metal construction
  • Enhanced ambidextrous AK design
  • Reinforced internal components

If you can't decide whether you want something modern or an AK, with the CYMA CM.103A AK Alfa, you can have both! This AK has been modernised throughout to the point that it is barely recognisable as an AK, boasting an advanced side-folding retractable stock similar to SCAR and ACR stocks, an aluminium monolithic upper receiver, plenty of 20mm Picatinny rails and ambidextrous controls across the design, allowing it to go toe to toe with the most modern platforms available to Airsofters.

If you are looking for a uniquely styled Airsoft AEG that hybridises modern SCAR-like construction with AK mag compatibility and reliable CYMA performance, the CM.103A AK Alfa does all that while confusing even the veterans and drawing the eye of curious skirmishers wondering what on earth it is!

Full description

Description

The CYMA CM.103A AK Alfa AEG is a modernised evolution of the classic AK47/74 platform, combining the legendary reliability of the Kalashnikov design with the ergonomics, modularity and accessory compatibility expected of a 21st-century rifle. Designed as a true hybrid between AK and AR-style rifles, the AK Alfa delivers modern controls, a monolithic upper receiver and extensive Picatinny rail space, all while retaining the rugged internal design that made the AK famous.

Starting at the front, the CM.103A is fitted with a modern, aggressive-looking muzzle brake featuring twin side ports and top ports, styled after the real AK Alfa brake, designed to mitigate recoil. The 16.3-inch outer barrel beneath is unthreaded, with the muzzle device pinned securely in place, giving the rifle a clean and authentic appearance straight out of the box.

Moving rearwards, we encounter the dummy gas block and gas tube, a clear nod to the rifle’s AK heritage despite its futuristic styling. The gas block is constructed from alloy, while the gas tube is stamped from steel and runs beneath the handguard back to the receiver. As with the real AK Alfa, the cleaning rod port remains present, though the cleaning rod itself has been omitted for a sleeker, more modern setup.

The monolithic aluminium upper receiver and polymer handguard assembly form the core of the rifle’s modern design. This setup provides 20mm Picatinny rails at the 3, 6, 9 and 12 o’clock positions, allowing the rifle to be configured with optics, lights, lasers and foregrips to suit any playstyle. The full-length top rail eliminates traditional AK optic mounting issues, while the side rails are positioned perfectly to add accessories without unnecessary bulk. The lower rail is aluminium for maximum strength, making it suitable for vertical grips or even under-barrel launchers, while the side rails are high-density polymer and include integrated sling points at the rear.

The upper receiver itself is CNC-machined from a single piece of aluminium, following the same construction philosophy as modern platforms such as the SCAR and ACR. Angular cut-outs at the front reduce weight and add to the aggressive, modern aesthetic, with machining quality that feels solid and premium throughout.

Mounted to the top rail are the included flip-up iron sights. These feature a multi-aperture rear sight with tool-less windage and elevation adjustment, allowing quick zeroing without additional equipment. The sights deploy instantly by hand and lock securely in both the raised and folded positions, providing a reliable backup to any optic.

On the right side of the rifle, the mock bolt carrier houses one of the AK Alfa’s biggest ergonomic upgrades: the ambidextrous, swappable charging handle. The handle can be installed on either side of the rifle, allowing users to choose between a traditional AK-style charging method or a more modern side-charging setup. The enlarged handle is easy to grip, even with gloves or in wet conditions, and provides simple access to the HOP-up unit from either side.

With the charging handle pulled back, the alloy slider-adjustable HOP-up unit is revealed. This proven AK-style HOP system is renowned for its ability to hold adjustment under sustained full-auto fire while offering a wide range of tuning for different BB weights. Once adjusted, releasing the bolt allows it to slam forward with a satisfying metal-on-metal clack, adding to the rifle’s realistic handling.

The lower receiver blends AK and AR ergonomics, featuring an ambidextrous magazine release with extended surfaces for both traditional AK rock-and-lock reloads and AR-style drop-free manipulation. The bevelled magazine well makes inserting AK AEG magazines fast and intuitive, while the positive lock-up ensures reliability during aggressive gameplay.

Another major upgrade is the ambidextrous 3-position fire selector, styled after enhanced AR-15 selectors. With a 90-degree throw between modes, textured contact surfaces and a familiar layout, this selector is quick to operate while remaining resistant to accidental movement, making the transition easy for players accustomed to AR platforms.

The pistol grip is based on real-steel CAA designs, featuring ergonomic shaping, front and rear texturing and a finger ridge for consistent hand placement. The grip is slimmed at the top for improved trigger reach, while the enlarged trigger guard allows comfortable use with gloves. The seamless transition between grip and receiver ensures long-term comfort during extended skirmishes.

At the rear, the AK Alfa’s stock represents one of the platform’s most significant upgrades. Inspired by modern military stocks found on rifles like the SCAR and ACR, the stock folds to the left for transport and tight CQB environments, while offering six positions of length-of-pull adjustment. A fully adjustable cheek riser provides four height positions, ensuring a perfect cheek weld regardless of optic choice. Integrated sling points allow easy two-point sling mounting without additional hardware.

The battery compartment is cleverly concealed within the rear of the receiver. With the stock folded, a disguised button allows the battery cap to be removed, granting access to the top-wired mini-Tamiya connector. The rifle is best suited to a 7.4V slim stick LiPo, offering a balance of performance and fitment within the narrow compartment.

Internally, the CM.103A benefits from CYMA Platinum-grade internals, including a reinforced gearbox with 8mm steel ball-bearing bushings, a polycarbonate piston with steel tooth rack, ball-bearing piston head and spring guide, and a double O-ring air seal setup. A high-torque motor delivers fast trigger response and makes the rifle suitable for DMR-style builds straight out of the box.

Blending the best elements of AK ruggedness and AR ergonomics, the CYMA CM.103A AK Alfa AEG is a feature-rich, modern airsoft rifle designed to excel on the skirmish field, no matter your preferred playstyle.

Features

  • Full metal construction
  • 6.03mm Tightbore inner barrel
  • SCAR & AK had a kid - Marmite looks!
  • Enhanced AK-based design - Ambidextrous controls, swappable charging handle
  • 3-Position fire selector lever with 90-degree throw - Familiar layout for M4/AR-15 users
  • 20mm Picatinny railed receiver - Ready for a red dot sight or scope
  • 20mm Picatinny railed handguard - Fit a vertical foregrip, tactical flashlight or laser right away!
  • Side-folding retractable stock with adjustable cheek riser - SCAR/ACR style stock with loads of functionality
  • Enlarged charging handle design - Very easy to access the HOP-up, satisfying to rack
  • Polycarbonate piston with steel tooth rack - Strong and lightweight
  • 8mm Steel ball bearing bushings - Low friction, smooth sound
  • Ball bearing piston head - Reduced stress on the piston
  • Double O-ring cylinder head - Perfect air seal and consistency
  • High torque neodymium magnet motor - Suitable for high power springs, super fast trigger response
  • Top wired to a mini-Tamiya battery connector - Reduced resistance when compared to mini-Tamiya
  • Compatible with AK47/74 AEG magazines - Mid, low, high-cap and drum magazines

Package Includes

  • CYMA CM.103A AK Alfa AEG
  • 200rnd Medium Capacity Magazine

Specification

Battery Included
Battery Included
No

General

Weapon Construction External
Platform Type
Assault Rifle
Over 18 Only Icon
Over 18
Yes
Icon UKARA - United Kingdom Airsoft Retailer Association
Defence / UKARA Required
Yes, No,
Screwdriver Icon
Prebuilt
Yes
Package
Included Items
Magazine
Skill Level Icon
Skill Level
Regular Player
Patrol Base - Warning Icon
Warnings
Li-Po - Never Leave Charging Unattended
Li-Po - Only Use Approved Chargers
Li-Po - Charge in a Fire Safe Area

Testing

FPS Icon
FPS, using 0.20g BBs
Approx.320fps ± 10%, using 0.20g BBs

Weight and Dimension

Weight KG Icon
Weight (KG)
Approx.3KG
Weapon Length Collapsed
Length
89.5cm
Weapon Length Extended
Length (Extended)
96cm

Construction

Colour Wheel Greyscale
Primary Colour
Black
Construction Icon
Construction
Aluminium upper receiver. Steel gas tube, body pins and screws. Alloy gas block, outer barrel and trim parts. High density polymer stock, lower receiver and handguard.

Weapon Specific

Power Source Icon
Powered By
Electric
Blowback Icon
Blowback Type
None
Platform
Platform
Assault Rifle, AK Variant, AK Alfa,
Fire Select Icon
Fire modes
PatrolBase | Fire Select Safe
Safe
Patrol Base | Fire Select - Semi Automatic
Semi Automatic
Patrol Base | Full Automatic
Full Automatic
Weapon Safety Features Icon
Safety Features
Trigger Lock
Shooter Configuration Icon
Shooter Configuration
Ambidextrous
Weapon Configuration Icon
Platform Configuration
Standard
Weapon Scale Icon
Platform Scale
1:1
Suggested BB Weight
Suggested BB Weight
0.25g

Hop-Up

Hop-Up Unit Adjuster Icon
HOP-Up Adjuster Type
Slider
Hop-Up Unit Location Icon
HOP-Up Adjustment Location
Behind mock bolt carrier, accessible when the charging handle is pulled and held to the rear.

Furniture

Weapon Furniture Icon
Furniture
  • Railed Handguard
  • Railed Receiver
  • Ambidextrous Magazine Release
  • Ambidextrous Fire Selector
  • Monolithic Receiver
  • Finger Ridged Pistol Grip
  • Adjustable Cheek Rest
  • Side folding retractable stock
  • Flip-Up Ironsights
  • Muzzle Brake
  • sling points front and rear
  • Ambi-friendly Charging handle
  • 20mm Side rail
Rail System Icon
Rail System
20mm RIS / RAS, 20mm Railed Receiver,
Icon Stock Positions
Stock Type
Sliding, Multi-Position, Folding,
Weapon Length Extended
Stock Positions
7
Sight Type Icon
Sight Type
Iron Sights, Aperture Iron Sight,
Sling Plate Icon
Sling Options
Stock, Handguard, Loop,

Barrel

Outer Barrel Length (in)
16.3''
Inner Barrel Diameter
Inner Barrel Diameter
6.05mm
Inner Barrel Length
Inner Barrel Length
455mm

Magazine Specific

Magazine Type
Magazine Type
AEG, Medium Capacity,
Magazine BB Capacity
Magazine BB Capacity
Approx. 200 Rounds

Electric Gun Specific Information

Gearbox
Wiring Icon
Gearbox Wiring
Top Wired
Spring Change Icon
Gearbox Quick Change Spring
Yes
Motor
Airsoft Motor Icon
Motor Type
High Torque
Battery Specific
Battery Voltage
Battery Voltage
7.4V
Battery Connector
Battery Connector
Patrol Base | Icon | Mini Tamiya
Mini Tamiya

Size guide

Joule Charts

Special Instructions

These table can be used as a reference to see if the BB weight you are using will be over acceptable Joulage limits at some Airsoft Sites in the UK. To check if the weight can be used chrono your weapon using the BB you intend to use, and then compare it to the chart.

FPS, Power and Joule Limits can vary from site to site, so please get in touch with where you're going to play with in advance to avoid disappointment.

Suggested limits are based on Joulage Limit rules used Halo Mill: Proving Grounds, with a 350fps limit for Automatic Replicas, 400fps for Semi-Automatic Replicas, and 500fps for Bolt Action Replicas.

Tap the tabs below to open the relevant chart for your replica.

Suggested limits are based on Joulage Limit rules used Halo Mill: Proving Grounds, and is the equivalent of 350fps, using 0.20g BB resulting in an upper limit of 1.14j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
325 0.98 1.23 1.37 1.47 1.57 1.77 1.96 2.11 2.21 2.45
328 1.00 1.25 1.40 1.50 1.60 1.80 2.00 2.15 2.25 2.50
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
335 1.04 1.30 1.46 1.56 1.67 1.88 2.09 2.24 2.35 2.61
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
345 1.11 1.38 1.55 1.66 1.77 1.99 2.21 2.38 2.49 2.76
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
355 1.17 1.46 1.64 1.76 1.87 2.11 2.34 2.52 2.63 2.93
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01

Suggested limits are based on Joulage Limit rules used at Halo Mill: Proving Grounds, and is the equivalent of 400fps, using 0.20g BB resulting in an upper limit of 1.49j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01
370 1.27 1.59 1.78 1.91 2.03 2.29 2.54 2.73 2.86 3.18
380 1.34 1.68 1.88 2.01 2.15 2.41 2.68 2.88 3.02 3.35
390 1.41 1.77 1.98 2.12 2.26 2.54 2.83 3.04 3.18 3.53
400 1.49 1.86 2.08 2.23 2.38 2.68 2.97 3.20 3.34 3.72
410 1.56 1.95 2.19 2.34 2.50 2.81 3.12 3.36 3.51 3.90

Suggested limits are based on Joulage Limit rules used at Halo Mill: Proving Grounds, and is the equivalent of 500fps, using 0.20g BB resulting in an upper limit of 2.32j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01
370 1.27 1.59 1.78 1.91 2.03 2.29 2.54 2.73 2.86 3.18
380 1.34 1.68 1.88 2.01 2.15 2.41 2.68 2.88 3.02 3.35
390 1.41 1.77 1.98 2.12 2.26 2.54 2.83 3.04 3.18 3.53
400 1.49 1.86 2.08 2.23 2.38 2.68 2.97 3.20 3.34 3.72
410 1.56 1.95 2.19 2.34 2.50 2.81 3.12 3.36 3.51 3.90
420 1.64 2.05 2.29 2.46 2.62 2.95 3.28 3.52 3.69 4.10
430 1.72 2.15 2.40 2.58 2.75 3.09 3.44 3.69 3.86 4.29
440 1.80 2.25 2.52 2.70 2.88 3.24 3.60 3.87 4.05 4.50
450 1.88 2.35 2.63 2.82 3.01 3.39 3.76 4.04 4.23 4.70
460 1.97 2.46 2.75 2.95 3.15 3.54 3.93 4.23 4.42 4.91
470 2.05 2.57 2.87 3.08 3.28 3.69 4.10 4.41 4.62 5.13
480 2.14 2.68 3.00 3.21 3.42 3.85 4.28 4.60 4.82 5.35
490 2.23 2.79 3.12 3.35 3.57 4.02 4.46 4.80 5.02 5.58
500 2.32 2.90 3.25 3.48 3.72 4.18 4.65 4.99 5.23 5.81
510 2.42 3.02 3.38 3.62 3.87 4.35 4.83 5.20 5.44 6.04