- Aluminium alloy construction
- For AK with Z-Co style handguards
- 20mm Picatinny upper rail
If you are building your dream tactical AK, a railed dust cover can be a great addition to give you more optic mounting options, and the elite tactical look. The 5KU 20mm Railed Tactical AK Receiver Cover is designed to work with Z-Co style handguards and provides a 17-slot 20mm Picatinny rail on its upper surface, and a hinge mechanism which connects it to a Z-Co handguard for functionality similar to the ASK-74U, making battery changes a breeze for those who run a top wired AK. If you are working on your own Spetsnaz build, your AK needs this!
Fast Delivery
Delivery & Postage
Here at Patrol Base we ship worldwide, delivering not only to the UK but to most of the EU and select Worldwide locations as well. We provide a working day-by-road service via our handpicked courier services, simply buy your Airsoft guns with us and we'll have them delivered directly to your door.
For more information and to see the country we deliver please check out our Delivery Information Page.
Estimates
Below are some rough postage prices for orders. Please note these are subject to change and are only a rough guide. For a more accurate postage estimate please use the Postage Calculator at the basket.
UK Standard
£6.95
Approx.
UK Next Day
£8.95
Approx.
Highlands / Islands
£24.99*
Approx.
Saturday
£14.95
Approx.
* Scottish Highlands, Islands, and EU post prices can vary wildly. Prices range from £8.99 to £29.99, so please ensure you refer to the Postage Calculator at the basket for the lowest possible price.
Returns
We want you to be delighted 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.
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.
For more information on returning products, and how to do it please visit our Returns Policy Page.
Description
The 20mm Railed Tactical AK Receiver Cover from 5KU is the perfect part to bring the ergonomically challenged AK platform into the 21st century. This dust cover is constructed from aluminium alloy and features a 20mm Picatinny rail complete with numbered slots along its upper surface, allowing optical sights to be mounted to the AK directly without the use of the Russian side rail and adapter.
This receiver cover is designed to work with Z-Co style handguards (compatible handguards listed below in "Features") and attaches to the handguard's threaded sockets, allowing the top cover to be hinged similarly to an AKS-74U rifle, keeping it on the weapon during battery changes and avoiding the fiddliness of trying to reinstall a conventional top cover with a battery beneath. This handguard will only work with Z-Co style handguards, so make sure you do your homework before ordering this!
For those building a modern Spetsnaz-style AK, this part is practically mandatory. The real version of this top cover has been lauded the world over for its ability to provide an optics mounting solution for the AK that both holds its zero well and reduces the need for additional adapters to mount modern western optics. Another perk is that you can still fold your stock to the side with your optic mounted to this top cover, unlike side rail mounted optics!
Features
- Aluminium alloy construction
- 20mm Picatinny railed dust cover
- Hinged design - No fiddly battery changes
- Numbered rail slots - Keep track of your accessories
- Only compatible with certain Z-Co style handguards
- Compatible handguards: 5KU AK Lower Handguard Alpha KEY-MOD, LCT Handguard ZB-10M Classic, LCT Handguard Classic 30
- Only compatible with standard AK rifles (Not PP-19/AKS-74U)
Package Includes
- 5KU 20mm Railed Tactical AK Receiver Cover
Special Instructions
This top cover will not work without a compatible Z-Co style lower handguard. You will find a list of the handguards we have found to be compatible in the "Features" section above. This top cover cannot be installed on a standard handguard without the Z-Co mounting holes, please consider this carefully before buying.
The 5KU 20mm Railed Tactical AK Receiver Cover will not fit AKS-74U or PP-19 style rifles.
Specification
General
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External Part Type
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Receiver Parts, Sight Mount,
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|---|---|
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Package Includes
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Receiver top cover
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 |
 |
Construction
 |
Black
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|---|---|
 |
Aluminium alloy with steel pins and screws.
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Weight and Dimension
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Product Height
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Approx. 4.3cm
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|---|---|
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Product Length
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Approx. 31cm
|
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Product Width
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Approx. 3.6cm
|
 |
Approx. 0.155kg
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Part Specific
 |
20mm RIS / RAS
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|---|---|
 |
AK Platform, Long Gun, AK Variant , Assault Rifle,
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Mount Specific
|
Mount Type
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Scope Mount
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|---|
Need ideas for something extra?
- 1KG Resealable Bag
- 5.95mm +/- 0.01mm
- Competition Grade BB
These 0.28g BB's created by G&G (Guay Guay), who create a range of high quality BB guns and related products, with these BBs being some of the highest quality in the sport.
- 300g Contents
- Metal Fill Nozzle
- Dust Cover Included
A high performance gas, designed to operate at lower temperatures (between 3c - 20c) allowing to use your weapon all year round. Using this high power mix gives an increase in FPS, GBB efficiency and a harder kick.
- High Power Gas
- Metal Fill Nozzle
- Contains UPL+ Lubricant
Abbey Predator Ultra GAS is the perfect propellant for any gas weapon from pistols to high tech sniper rifles. It contains UPL+ lubricant which is designed to stay permanently mixed with the propellant.
- NUPROL Bio BBs
- NUPROL 3.0 Red Gas
- Great for GBB pistols in colder weather
We all know that when things get chilly, GBB pistols suffer the most! To correct that, the GBB Winter Sidearm Pack was put together to keep your metal slide GBB doing what it does best in near-freezing temperatures thanks to the increased power of NUPROL 3.0 red gas. This pack is perfect for GBB pistols with a metal slide such as RAVEN, VORSK and WE pistols but we do not recommend NUPROL 3.0 for pistols with a polymer slide.
- Special Putty
- Oils & Degreasers
- Cleaning Tools Included
A must have piece of kit for any Airsoft player or enthusiast. The kit comes with everything you need to keep your GBB and AEG weapons in top condition, giving you an edge over your opponents.
- 4x Fixed Zoom
- 4x32 Rifle Scope
- Scope Rings Included
A Scope designed for Airsoft Weapons designed to allow the user to place accurate shots at range, and allows you to follow the trajectory of BBs as they are fired.
- Weaker Than Ultra Gas
- Ideal Summer Gas
- 700ml Content
A very popular selling gas especially during summer and in countries that have a warm climate. This gas really is a low power gas. It has a high silicone content, so you will need to clean your GBB Airsoft weapon more frequently to ensure longevity.
Stocked and used by our Patrol Base workshop and other staff members for years, each can has 700ml of contents and can be used to reduce output power of a hot gas gun, or ensure smooth silky operation of a Polymer slided pistol.
- 12g Capacity
- Single CO2 Bulb
- Steel Construction
A 12g CO2 Bulb Capsule Single, sold individually these 12g bulbs can be used for both Airsoft and Air rifles.
- White In Colour
- Heavyweight BBs
- Improve Range & Accuracy
The BBs that Airsoft snipers have been waiting for: the ultimate heavyweight, precicsion made 0.43g Airsoft BBs, designed to offer users enhanced range and accuracy.
- 14mm CCW or 14mm CW threads
- "Brrrrt" markings - 40mm Diameter version
- Foam filled for slight sound dampening
If you want to give your primary a sneaky look, a suppressor will do the trick! The Specna Arms Covert Tactical Silencer is constructed from aluminium and has 14mm CCW threads at one end, with 14mm CW threads at the opposite end. This suppressor is the 40mm diameter version, available in either 100mm or 150mm lengths; ideal for rifle and SMG builds.
This version of Specna's silencer is the 40mm "Brrrrt" version, marked with "BRRRRRRRRT" on the outside in stylised text with a wider diameter than the standard. This suppressor is ideal for A10 Warthog fans, minigun fans or anyone whose primary is appropriately fast!
- Check and dot pattern texture
- 150rnd Capacity
- For M4/AR15/SCAR-L/416 AEGs
For those of you looking for an ultra-modern styled mid cap, this is the one you're after!
Able to fit the vast majority of M4/ARs or other STANAG such as the SCAR-L compatible AEGs, the mag is filled from the top using a speed loader and being a mid-cap magazine, it has none of the 'battle rattle' that high-cap magazines would.
The mag features a check and dot pattern ribbed texture to aid in grippage and reloads, constructed from tough, but lightweight polymer and makes for a worthy contemporary style addition to any STANAG based loadout.
- 1kg bulk bag
- Choice of BB Weights
- High quality - Great value!
For those of you who have a heavy trigger finger, LMG users, or the thrifty bargain hunter, we finally have a "cheap" BB which we can approve of! The ASG Cursed BBs are a high quality polished BB with absolutely no surface imperfections, seam lines, or injection pin marks, and despite this level of quality you can spray and pray all day long at this bargain price!
- Tolerance: 5.95mm +/- 0.01mm
- Biodegradable BBs
- 0.25g Weight - 2200 or 6000rnd options
If you are looking for biodegradable BBs for use in both CQB skirmishes and out in the glorious woods, NUPROL have just the thing! The RZR 0.25g Precision BIO BB has the same ultra-tight +/- 0.01mm tolerances as NUPROL's standard BBs but are constructed from a biodegradable polymer, meaning they will be allowed on even the strictest Airsoft sites and no need to worry about cleaning up after shooting!
- 1kg Bag of BBs
- Approx. 3550 BBs
- Standard White 0.28g
Developed by Evolution Airsoft these 1Kg Bag of 0.28G BBs are great standard BBs for regular Skirmishers and Airsoft players who are looking to get great performance from their Airsoft gun. 0.28g BB are commonly used as a Regular to Advanced Player weight of BB, and are great for outdoor gameplay, allowing them to punch through bushes, grass, and more stable in wind. These BBs are perfect for use in Airsoft guns operating over 320fps, or for upgraded guns with an effective hop-up unit.
The BBs come in a 1kg Bag, with the bag containing approx. 3550 BBs, and is resealable to ensure that your BBs stay as fresh as possible, and prevents them from spilling once the bag has been opened.
- 30ml Content
- Great Lubricant
- Easy Drip Nozzle
Stocked and used by our Patrol Base workshop and other staff members for years. Easy to store and use with the lockable pop on lid you can store this in a rucksack or bag without over worrying the contents may spill out during transit or storage.
- White in Colour
- 1000 BBs Per Pot
- Improve Accuracy & Range
The BBs everyone has been waiting for! A White Airsoft Sniper 6mm BB pellet that also works!
- Bottles or Bags
- 0.20g Standard BBs
- ±0.01mm Tolerance
Produced by VORSK Airsoft, these Airsoft BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.
These particular BBs are standard 0.20g BBs which are designed to work in any Airsoft gun, but perform at their best in beginner and low power Airsoft replicas under 350fps. Whether you're new to Airsoft, playing indoors, or looking for BBs for your Spring Powered Airsoft replica then these are the BBs for you.
- Bottles or Bags
- 0.25g Standard BBs
- ±0.01mm Tolerance
Produced by VORSK Airsoft, these Airsoft BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.
These particular BBs are standard 0.25g BBs which are designed to work in any Airsoft gun, performing best in Airsoft guns which fire between 280fps - 370fps, and are the go-to weight for any Airsoft skirmisher looking for an the perfect all around weight for a standard AEG. Whether you're new to Airsoft, or a regular skirmisher, this weight of BB will most likely be your go-to BB weight, and is the most commonly used by Airsoft players.