Classic Army CA-A4 G3A4 AEG

Code: CA-022M
£199.99
  • Full metal construction
  • In-line MOSFET pre-installed
  • Sliding stock G3 variant

If you're feeling the battle rifle vibe and want a replica which makes your ARs and AKs feel small, the Classic Army CA-A4 G3A4 AEG is the real man's primary you've been waiting for! A full metal build which is lighter than it looks, CA's G3A4 makes a fantastic base platform for a Swedish or Norwegian-inspired custom G3 build, but also looks fantastic as it is, bringing the cold, calculating German vibe to a full-fat battle rifle which will definitely turn heads on gameday.

Inside, this build is based around a version 2 gearbox with 18:1 ratio steel gears running on 9mm steel ball bearing bushings for a smooth, unlaboured gearbox report. An in-line MOSFET is pre-installed to prevent trigger lockups and enhance the rate of fire and trigger response. All internals are TM-spec, meaning aftermarket upgrades are prolific and ever available. We think this would make a fantastic DMR base gun, matching the looks of real-world G3 DMRs with version 2 gearbox compatibility!

Full description

Description

Please do not "HK Slap" the Classic Army G3A4. While it is a full metal build, the spring behind the charging handle is rather strong and carrying out the "HK Slap" can damage the charging handle and cocking tube. Any damage caused by the "HK slap" is not covered by your usual 12-month warranty.

Whether you're in the mood for a Cold War era battle rifle or you're sick and tired of AKs and ARs, the Classic Army CA-A4 G3A4 AEG will certainly raise an eyebrow! This full metal build replicates the legendary G3 battle rifle in sliding stock-equipped "A4" configuration, ideal for those working on a modernised G3 build for a Swedish or Norwegian Special Forces loadout.

Inside, the CA-A4 is equipped with a version 2 gearbox with an alloy shell, 18:1 ratio steel gears and 9mm ball bearing bushings. An in-line MOSFET is also included, designed to eliminate trigger lockups and enhance electrical efficiency. Everything inside is TM spec, meaning if you had a G3 DMR build planned, this would make a fantastic base gun!

Starting at the tip of the alloy outer barrel, we can find the appropriate G3-style birdcage flash hider, made from steel and mounted to the barrel's 14mm CCW male threads. This is the classic G3 muzzle device and looks right at home, but if you have other ideas, you can mount anything which fits 14mm CCW male threads, including tracer units, suppressors and alternative flash hiders. Following the flash hider, we can see the alloy outer barrel and its slight taper towards the receiver, matching the silhouette of the real rifle's barrel for the prerequisite realism we expect from an Airsoft AEG.

The front sight of the CA-A4 is mounted at the front of the cocking tube and handguard; the classic hooded HK front sight design, which pairs perfectly with the rotary drum diopter-style rear iron sight, found at the rear of the receiver. The rear sight offers 4 different apertures for aiming, marked 1-4 in 100-meter increments. This gives you the flexibility to put rounds on target in any ambient lighting condition and choose from an open sight notch, ideal for close range or an enclosed aperture, optimal for accurate semi-auto fire. To select your sight aperture, simply turn the drum using the helpful texturing around its circumference. The rear sight is also adjustable for windage via the screw on the right side.

Moving rearwards, we come to the cocking tube of the CA-A4, which contains the AEG's folding cocking handle. Pulling this handle rearwards and locking it up into the "safety notch" will retract the mock bolt carrier, found over on the right side of the AEG, and reveal the rotary HOP-up adjuster. The HOP-up allows the user to tune the CA-A4 for different ammo weights and vary the amount of backspin applied to each BB, looking for the flattest trajectory possible.

The handguard lies just below the cocking tube, and is the real-world accurate "Wide" G3A4 handguard, found on the real-world G3A4 and G3 SG1. The design of this handguard allows for the G3 SG1 bipod to be mounted and stowed in the grooves running along either side, while providing plenty of space inside for a battery which will last all day.

To access the battery compartment, simply push the pin at the front of the handguard out, slide the handguard forward slightly, then down and away from the rifle. Inside, you'll find a mini-Tamiya battery connector. For the CA-A4, we recommend a 7.4V 2600mAh LiPo battery for easy installation and a good fit. The mini-Tamiya connector is fitted to a Deans connector mounted to the MOSFET, so you can use a Deans battery if you remove the mini-Tamiya adapter.

Following the handguard, we reach the receiver, which is constructed from alloy with a realistic-looking phosphate finish (aka parkerized). The receiver includes mounting lugs on its upper surface, which are designed for HK claw mounts. If you want to hone the CA-A4 for long range and add a telescopic sight or red dot sight, you can with a 20mm Picatinny claw mount. Running along either side of the receiver, we can see the stock sliding recesses, which allow this G3 to be equipped with a sliding stock if you want a more compact package.

The lower receiver is known as the "trigger pack" in SMG-5 and G3 rifles and is constructed from alloy with a polymer grip module, just like the real thing. The 3-position fire selector is positioned on the left side, offering a SAFE - SEMI - AUTO configuration marked in German Style using "S-E-F" (Sicher - Einzelfeuer - Feuerstoß) lettering. The selector sits comfortably within reach of the shooter's thumb. The pistol grip module has ergonomic finger ridges built in, just like the real G3A4, moulded in olive drab polymer to match the other furniture. The trigger guard is nice and large, allowing for ease of use with full finger gloves, which is important as those finger shots hurt like *beep*!

The magazine release works similarly to an SMG-5 and includes a centrally positioned ambidextrous paddle magazine release and a secondary push button release on the right side, which is similar to an M4/AR-15. This gives you plenty of options for manipulating the G3A4. Whether you have an AK or AR background, or you are new to the game, you will have no issues making this rifle work for you.

At the rear, we're equipped with the G3A4 sliding stock, a two-position retractable stock design intended to reduce the overall length of the G3 platform for storage, transportation and deployment from vehicles and aircraft. This stock works the same way as the MP5 sliding stock, requiring the paddle-style catch to be pushed from the right side to release the locking mechanism. This will push the stock out slightly under spring pressure, ready to be pulled out and extended into the "deployed" position, where it will lock into place. Like the rest of the CA-A4, the stock is metal throughout, other than the super-grippy serrated rubber butt plate.

Inside, the CA-A4 is fitted with an alloy version 2 gearbox with 18:1 steel gears running on 9mm ball bearing bushings, reducing internal friction for a smooth, unlaboured gearbox sound. An in-line MOSFET improves electrical efficiency and cranks up trigger response, preventing trigger lockups which can occur with standard trigger contacts. All internal parts, including the HOP-up and inner barrel, are Tokyo Marui-spec, meaning aftermarket upgrades are practically unlimited; perfect for those who dream of a G3 DMR build!

Whether you're a fan of legendary Cold War-era battle rifles or you're working on a Swedish AK4 or Norwegian AG-3 build, the Classic Army CA-A4 G3A4 AEG should be in your sights! A superb quality full metal replica of one of Airsoft's lesser seen platforms, CA's G3A4 makes a fantastic primary for those sick and tired of AKs and ARs!

Features

  • Full metal construction
  • 14mm CCW Male threaded outer barrel - Tracer/suppressor ready
  • Steel G3-style Birdcage flash hider - Completes the realistic look
  • G3A4 "Wide" polymer handguard - Matches the German issue G3A4 perfectly
  • Multi-aperture diopter iron sights - About the best irons out there, 4 apertures for aiming
  • Ambi-friendly charging handle - On the left side, but can be reached from the right easily
  • Rotary adjustable HOP-up unit - Accessible with the charging handle locked back
  • Ambidextrous magazine release - Great for left or right-handed shooters
  • Secondary push-through mag release on the right side - AR-style mag release
  • HK Claw Mount compatible receiver - Add a 20mm Picatinny rail mount if you want to mount an optic
  • 3-Position fire selector switch - SAFE - SEMI - AUTO configuration
  • Finger-ridged pistol grip - Perfectly matches the real G3A4 trigger group
  • Sliding stock - Sling point on the left side, 2 positions, grippy rubber butt plate
  • Front-wired: Mini-Tamiya connector - Recommended Battery: 7.4V 2600mAh LiPo
  • Version 2 Gearbox:
    • Alloy shell
    • In-line MOSFET
    • 9mm Steel Ball bearing bushings
  • Compatible with most G3 AEG Magazines - TM, Jing Gong, Fuxing & Classic Army branded

Package Includes

  • Classic Army CA-A4 G3A4 AEG
    • 500rnd High-capacity magazine

Specification

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
Li-Po - Never Leave Charging Unattended
Li-Po - Only Use Approved Chargers
Li-Po - Charge in a Fire Safe Area

Weight and Dimension

Weight KG Icon
Weight (KG)
Approx.3KG
Weapon Length Collapsed
Length
84cm
Weapon Length Extended
Length (Extended)
102cm

Construction

Colour Wheel Greyscale
Primary Colour
Black
Construction Icon
Construction
Steel flash hider. Alloy outer barrel, cocking tube, receiver, trigger pack, stock & stock bars. High density polymer handguard & pistol grip. Rubber butt plate.

Weapon Specific

Power Source Icon
Powered By
Electric
Blowback Icon
Blowback Type
None
Platform
Platform
G3
Magazine Style Icon
Magazine Compatibility
G3 AEG Magazines
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
Right Handed
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
Rotary
Hop-Up Unit Location Icon
HOP-Up Adjustment Location
Inside the mock ejection port, accessible with the charging handle locked back.

Furniture

Weapon Furniture Icon
Furniture
  • Ambidextrous Magazine Release
  • H&K Claw mount compatible receiver
  • Finger Ridged Pistol Grip
  • Sliding Stock
  • Bird Cage Flash Hider
  • Threaded Outer Barrel
  • Enlarged Trigger Guard
  • sling points front and rear
  • Ambi-friendly Charging handle
  • Multi aperture Diopter sights
  • Rubber butt plate
Rail System Icon
Rail System
Railed Mount Available, HK Universal Mount,
Icon Stock Positions
Stock Type
Sliding
Weapon Length Extended
Stock Positions
2
Sight Type Icon
Sight Type
Rotary Drum Iron Sight
Sling Plate Icon
Sling Options
Stock, Handguard, Loop,

Barrel

Outer Barrel Length (in)
17.7''
Icon Thread Type
Outer Barrel Thread Type
Male
Icon Thread Direction
Outer Barrel Thread Direction
CCW (Counter Clockwise)
Outer Barrel Thread Size
Outer Barrel Thread Size
14mm
Inner Barrel Diameter
Inner Barrel Diameter
6.08mm
Inner Barrel Length
Inner Barrel Length
410mm

Magazine Specific

Magazine Type
Magazine Type
AEG, High Capacity,
Magazine BB Capacity
Magazine BB Capacity
Approx. 500 Rounds

Electric Gun Specific Information

Gearbox
Gearbox Icon
Gearbox Version
V2 Gearbox
Wiring Icon
Gearbox Wiring
Front Wired
Motor
Airsoft Motor Icon
Motor Type
Standard
Battery Specific
Battery Voltage
Battery Voltage
7.4V
Battery Type
Battery Type
Li-Po
Battery Connector
Battery Connector
Patrol Base | Icon | Mini Tamiya
Mini Tamiya
Suggested Battery Configuration
Suggested Battery Configuration
Nunchuck/Crane configuration.

Testing

FPS Icon
FPS, using 0.20g BBs
Approx.350fps ± 10%, using 0.20g BBs
Testing Notes
Tested using 0.20g Delta Armory Diamond BBs

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