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RA-Tech Custom Work GHK M4 W.S. Type 13.5" "LVOA" GBBR Airsoft Rifle

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What happens when you take a GHK M4 and let RA-Tech tinker with it? Well, they chuck their own upgrade parts into a mixer with Angry Gun and New Ages parts and this is the result! Gorgeous to look at, phenomenally nice firing and stupidly reliable custom rifle, that's what!!!

Fully GHK M4 GBBR magazine compatible to boot :)



  • RA Precision inner barrel 6.01
  • RA Hop up rubber
  • RA Forged "LVOA" Receiver
  • New Age Buttstock Fixing Ring
  • New Age Buttstock
  • New Age Steel Pin
  • New Age Charging Handle
  • RA CNC steel bolt carrier 
  • RA Recoil Buffer1
  • Angry Gun Wire Cutter Rail System
  • Angry Gun WCRS Aluminium Outer Barrel Kit
  • Angry Gun WCRS-COMP B
  • RA CNC Bolt carrier

CODE RAG-custom-work-GHK-008
Approx FPS (+/- 5%) Adjustable
Approx Range 50m+
Fire Selector Single Shot / Full Auto
Blowback Yes
Hop Up Adjustable
Powered By Gas (Magazine)
Gas Compatibility Green Gas
Manufacturer GHK
Weight (Kg) 5.0000
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Important Information


All images, product contents and specifications listed are based on checks performed when a product is first listed and may differ due to changes over time made by the manufacturer. This includes package contents in regards to any 'extras' provided e.g. Sample BBs.

Items used in images to promote the main item (Holsters, Camo, etc) are not supplied unless listed in the Specification tab under 'Extras'. This includes attached rails, grips, scopes, suppressors etc.

Chinese supplied Batteries and Chargers are warrantied to be not DOA (Dead on Arrival) only. We always recommend swapping out to a better quality Battery and Charger at the earliest opportunity.

Custom Painted products (Two-Tone) are non-refundable as these are painted to order. 

Unless otherwise stated, all products are sold singly.



Any figures used are based on tests performed on the products when they are first listed. These can vary due to changes by the manufacturer, gas pressure, gas used and a number of other factors. All figures should be treated as an approximate guide and used for reference only. 

All listed FPS are +/- 5% due to differences from rifle to rifle. If you require a guaranteed FPS, please add an upgrade/downgrade option on to your product (this may cost extra).

No airsoft AEG is warrantied for use with an 11.1v LiPo or higher voltage battery at UK velocities (373fps or lower) unless specifically recommended on the product itself. Use of higher voltage batteries can cause failures and will negate any warranty implied or otherwise.



We cannot offer an exchange on pyrotechnic devices due to device failure. We are unable to guarantee that the pyrotechnic device has been stored in a moisture free environment or used correctly in accordance with the manufacturers guidelines.

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