Product code:
From £299.99
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  • EFCS Gearbox
  • Quick Spring Change
  • Full Alloy Construction

New from ARES and building upon their latest Gen3 HONEY BADGERS we are proud to introduce the Pro OCTARMS range M4. Unlike previous AMOEBA variants this M4 platform is all based within an alloy receiver unlike the Polymer predecessors. 

Full description


The change doesn't just end there, the new Pro KM OCTARMS range come in several KEYMOD rail lengths once again alloy with other alloy parts including buffer tube, outer barrel, charging handle, flash hider and more. Another clever features are the lockable body pins resulting in a solid receiver with no wobble. The KEYMOD rail also is secured with 6 bolts for added strength. The whole gun is excellent to hold and shoulder all day long. The gearbox is a tried and tested product from ARES. Featuring their most latest Gen3 BLUE chip you can program your fire modes as mentioned in the Full Description below. Overall an excellent Airsoft RIF for beginners and seasoned professionals looking for a strong, reliable and visually appealing weapon with a lot going on inside too delivering incredible trigger response.  

Other Features: 

  • 7'', 9'', 10'', and 15'' feature a Muzzle Break Style Flash Hider
  • 12'' Variants feature a Sound Enhancing Flash Hider
  • 13'' Variants feature a Standard Bird Cage Style Flash Hider
  • Programmable with Ares Amoeba Electronic Gearbox Programmer EFCS
  • ARES EFCS Gearbox
  • Electronic trigger
  • Alloy ARES etched receiver
  • Adjustable poylmer hop unit
  • Alloy KEYMOD style hand guard
  • Adjustable front and rear sights
  • BLADE style trigger
  • Functional bolt stop release button / catch
  • 2 toned pistol grip with rubber palm and finger contact patches
  • 14mm CLOCKWISE threaded outer barrel
  • Quick spring change
  • Polymer hop-up
  • STANAG style hi-capacity magazine
  • Incredibly solid construction 
  • QD rear sling point included that secures into the stock tube/buffer plate
  • Easy to remove 5 position stock
  • Alloy outer barrel and free float gas block
  • Trigger finger rest plate trigger guard
  • Alloy ejection button
  • Alloy dust cover and charging handle
  • Sights flip up and down
  • Incredible trigger response 
  • Alloy locking receiver body pins
  • 6 point locking/securing bolt keymod rail to upper receiver

Package Includes:

  • Gun
  • Rear and Front Sight
  • Magazine
  • User manual

Special Instructions:

The battery is stored in the stock tube of the gun and as such is required to be an extremely short battery, we recommend the following battery: VP Racing - 7.4v 850mAh 30C LiPo Stick Battery



Weapon Type
Assault Rifle
Over 18
Defence / UKARA Required
Yes, No,
FPS (Feet Per Second)
290fps, using 0.20g BB
Site Legal
Included Items
  • Magazine
  • Instruction Manual
  • Ironsight Set
Skill Level
Regular Player


Primary Colour
Black, Tan ,
Secondary Colour
Full Alloy, with Polymer pistol grip and stock
External Construction
Polymer , Alloy ,
Internal Construction
Polymer , Alloy ,

Weapon Specific

Powered By
Weapon Platform
M4 / AR15 / M16
Magazine Style
Fire Selector
Semi Automatic
Full Automatic
Safety Features
Trigger Lock
Shooter Configuration
Right Handed
Weapon Configuration
Weapon Scale
Suggested BB Weight


Hop-Up Unit
Hop-Up Adjuster
Hop-Up Location
Behind Mock Bolt Cover, when Charging Handle Pulled to the Rear.


  • Flip-Up Ironsights
  • AR Buffer Tube
  • KeyMod Handguard
  • Sliding Stock
Variant Furniture
Standard, Sound Enhancing, Muzzle Break Style,
Rail System
20mm RIS / RAS , KeyMod ,
Stock Setting
Stock Positions
5 Position
Sight Type
Aperture Iron Sight
Sling Options
Buffer Plate , Stock , QD , Loop ,


Outer Barrel Thread Type
Outer Barrel Thread Direction
CW (Clockwise)
Outer Barrel Thread Size

Magazine Specific

Magazine Type
High Capacity, Wheel Wound, AEG,
Magazine BB Capacity
Approx. 300 Rounds
Magazine BB Fill Method
Fill Window
Magazine BB Fill Location

Electric Gun Specific Information

Gearbox Version
V2 Gearbox
Gearbox Wiring
Rear Wired
Gearbox Quick Change Spring
Gearbox Electronic Trigger
Motor Type
Battery Specific
Battery Connector
Mini Tamiya
Suggested Battery
Suggested Battery Type
Suggested Battery Configuration
Suggested Battery Voltage

Product Testing Data

Test Description
Using 0.20g BB
Test Date

Delivery & returns


1 - Deliveries
2 - Returns

1 - Deliveries

We are proud of our rapid delivery which, comprises of Royal Mail 1nd class recorded and courrier next working day to mainland UK. We also ship to EU countries; Scottish Highlands and Islands which are a minimum of a two day service and are shipped by land / sea. Our deliveries are made by DPD and Royal Mail recorded 1st or 2nd class signed for, and Royal Mail Standard.

We deliver from Monday to Friday, and Saturday with a special service. If more than 7 days have passed since we confirmed dispatch and your order has not arrived, then please call our Customer Care team on 01484 644709. If we don’t have stock of an item then we will call and email you letting you know that it is out of stock, and we will send it to you as soon as stock becomes available. If you want to cancel any item/s that are out of stock once order you can. For most UK deliveries postage & packing is based upon the value, size and weight of your order.

We always look to fulfil every order in full on time, but on the odd occasion an  item is missing we will attempt to contact you prior to shipping. If your order is a Next Day service, and we cannot contact you, we will refund the missing item(s), and ship the rest of the order immediately.

Upon signing for the delivery you are accepting the correct delivery for your items, however, we do understand that you might not be able to open your package straight away so you have up to 48 Hours to advise us of missing / incorrect items.

Please note we do not compensate in any way for time spent waiting in for deliveries that do not arrive, we do however accept that in life, mistakes and circumstances happen that can unfortunately mean that your item may not be delivered next day as requested e.g. bad weather, computer error etc. If such mistakes do occur we will refund your postage charge in full and by agreeing to the previous sentence and proceeding with the order you accept that we have done everything we can to help you obtain the package.

For orders outside of the UK Mainland please specify your location when calculating postage. 

For all international orders there may be an additional postage charge on top of that quoted. You will be contacted if this applies for your order. If the postage costs are too high, you may cancel your order at any time prior to dispatch.

For more information relating to Deliveries please see our Delivery Information.

2 - Returns

You can cancel any order that has not been dispatched. Please call our Customer Care team on 01484 644709 between 9:30am and 5:00pm or log onto the website and check the status of your order in your account.

If you do want to arrange the return of an item, simply call our friendly Customer Care team on 01484 644709 from 9:30am to 5:00pm and they will explain how to return the items.

Alternatively you can get in touch with us via our Contact Us Page.

If you are returning a product because it is faulty or something is wrong then we will pay for it to be returned to us. The Customer Care Team will arrange for cost you incur to be refunded.

Any none faulty return must be shipped back in full re-saleable order with original undamaged packaging.

You can return any item for any reason whatsoever, even if you have just changed your mind, within 14 days of receipt of the order. This is in addition to your rights under the Consumer Protection (Distance Selling) Regulations 2000.
We want you to be absolutely happy with our products and services, so we provide the simple Patrol Base guarantee:  if on receiving your item you are unhappy with your item for any reason then simply send it back to us. We will replace or refund the item.

This guarantee ensures that if you are unsure about what you are purchasing you have the peace of mind of knowing that we are here to help. In addition, if you decide that you made a mistake or you change your mind then please send the goods back within 14 days of receipt. Sadly, this can only apply to standard range products; we cannot accept back any item that has been made to order i.e. Two Tone Airsoft equipment.

Upon signing for the delivery you are accepting the correct delivery for your items, however, we do understand that you might not be able to open your package straight away so you have up to 48 Hours to advise us of missing / incorrect items.
If you do decide to return anything for whatever reason then please get in touch with us via our Contact Us Page for a copy of our returns form.

If you do send goods back for any reason other than a fault you will normally be asked to pay the carriage charges, we would just have to recover the costs in our prices. We would rather be completely straight with you, keep our prices as low as possible, and just ask you to pay if you choose to return anything.

For more information relating to returns please see our Returns Policy Page.

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