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£16.99
  • Full Alloy Build
  • 20mm RIS / RAS
  • Railed Top Cover

A replacement dust cover for the top of CYMA CM.040 AK47 Variant Rifles, designed to add a top 20mm RIS / RAS Rail for the attachment of Sights and Scopes without the use of a Side Scope Mount. 

£9.99
  • 3D Printed polymer construction
  • Fits SMG-5 Low, mid and high-cap magazines
  • Allows UTR45 AEGs to feed from SMG-5 AEG mags

If you want the 9mm look for your UTR45, Hades Airsoft have what you need! The MP5/SMG-5 AEG Magazine Adapter for UTR45 fits the top of SMG-5 magazines and allows them to be loaded into the Double Eagle UTR45 AEG, giving you more magazine options than ever before. 

The adapter is constructed from 3D-printed polymer and is an adapter for the magazine and not for the gun, meaning you will need one adapter per SMG-5 magazine you plan to use. The perk of this system is that you can use your normal UTR45 magazines and complement them with SMG-5 magazines with adapters without having to change anything, including low, mid, high-caps and even drum magazines! 

£49.99
  • Alloy construction
  • For CYMA CM.097 series AEG
  • Includes charging handle, dust cover, mock bolt

If you want to hot swap upper receivers like a real operator, now you can if you have a CYMA CM.097 AEG! The CM.097 Upper receiver is a replacement original part, and could be of use to someone wanting to freshen up an old AEG, or could be used to build a specialised replacement upper receiver so you can change your CM.097 length and battlefield role quickly and easily. The upper receiver comes with a pre-installed dust cover, charging handle, mock forward assist and mock bolt carrier, so no need to source these trim parts separately! This upper is a modern design with the squared off geometry and advanced look, making it a sure choice for a 21st century high speed M4/AR15 build.

£9.99
  • Steel construction
  • Fits most AK47/74 AEGs
  • Switch fire modes quickly and easily

If you want to take your Airsoft AK AEG to the next level and give yourself some AR-style advantages, the Enhanced Safety Lever from CYMA will speed up your weapons manipulation and make up for the AK's "retro" ergonomics. This safety lever is constructed from steel and is compatible with most Airsoft AK AEG rifles on the market, and lets you switch fire modes using the trigger finger, without removing your hand from the pistol grip.

£6.99
  • Steel construction
  • Original replacement part
  • For CYMA CM.097 AEG series

If your dust cover has fallen off and been lost, the CYMA Ejection Port Dust Cover for M4/AR-15 AEG is the solution! This replacement original part is designed for the CYMA CM.097 AEG series but should also fit M4/AR-15 AEGs from other brands. The dust cover is constructed from steel but does not include the long bar/pin needed to mount it to an AR receiver, so make sure you still have yours and you should be set!

£11.99
  • CNC Aluminium construction
  • For most M4/AR15 AEGs
  • Add the custom look to your M4

If you are looking for custom parts to add some unique character to your M4/AR15 AEG to set it apart from all the others, you have found the perfect part! The 1A1 CNC bolt catch from Gate replaces the original dummy bolt catch on your M4/AR15 AEG with a precisely made alternative with a unique skull-shaped paddle. This part doesn't provide any function but looks really cool, so if you are after an aesthetic tweak for your custom M4 AEG then this part would be perfect for the job!

£8.99
  • For AK AEG
  • Steel construction
  • Includes mounting screw

A replacement for the original selector lever on your AK AEG. Available in two types; Type A with an extension or Type B which is a standard AK selector lever. These are designed for CYMA AK rifles but should be compatible with most other AK AEGs.

£8.99
  • For AK AEG
  • Steel construction
  • Includes mounting screw

A replacement for the original selector lever on your AK AEG. Available in two types; Type A with an extension or Type B which is a standard AK selector lever. These are designed for CYMA AK rifles but should be compatible with most other AK AEGs.

£3.99
  • Alloy construction
  • Pins for SMG-5 receiver
  • Compatible with CYMA SMG-5 AEGs

If you have been messing around with your SMG-5 AEG and you have lost your pins, CYMA has the cure! This original parts set includes 2 body pins, one for the trigger group and one for the rear receiver/stock. The pins are constructed from alloy and are compatible with CYMA SMG-5 AEGs but may also fit others, though we cannot guarantee it.

£10.99
  • Original replacement KRYTAC part
  • Aluminium charging handle
  • Hard anodized finish

If your M4/AR15 AEG's charging handle is looking a bit tired, why not replace it for that box-fresh look! The M4/AR15 charging handle from KRYTAC is an original replacement part for KRYTAC M4/AR15 AEGs but will fit most other M4 AEGs with a version 2 gearbox. Included in the set are the charging handle and charging handle latch, the latter of which is pre-installed on the handle. The charging handle is constructed from aluminium and has a matt black hard anodized finish.

£4.99
  • Original replacement part set
  • For CYMA AK AEGs, may fit other TM clones
  • Includes charging handle rod, spring & top cover latch

If you have lost your AK AEG charging handle spring, rod or top cover retention latch you are in luck! The CYMA Charging Handle Rod & Spring Set for AK47/74 AEG is an original replacement part set for CYMA AKs but should also fit other Tokyo Marui clone AK series AEGs as well. The set includes the charging handle spring, guide rod and top cover retention latch.

£54.99
  • Alloy construction
  • Body pins, bolt catch, mag release, fire selector included
  • For CYMA CM.097 Platinum Edition M4/AR-15 AEG

If your CM.097 lower receiver is damaged maybe it is time to replace it with a fresh one! The CYMA Alloy Lower Receiver for CM.097 M4/AR-15 AEG is a replacement original part for the CYMA CM.097 AEG series and is constructed from alloy. The body pins are constructed from steel for maximum strength, and the fire selector markings are finished in a modern style, with coloured bullet pictograms to indicate each mode of fire.

The set includes all body pins, the fire selector, the bolt catch and the magazine release, meaning no fiddling around trying to swap the trim parts from your old receiver, just drop your gearbox straight in!

£4.99
  • Replacement original part
  • For AK Platform AEG
  • If you've lost yours, you're in luck!

We all lose small parts from time to time, luckily CYMA are happy to sell individual components like this! The AK Top Cover Latch from CYMA attaches to the gearbox shell, and with the help of the charging handle spring, holds your top cover on! The latch is compatible with version 3 gearbox shells, and TM-based AK designs. Quite an important bit I'm sure you agree...

£7.99
  • For Kublai Grip
  • Choice of Three
  • Push-Fit Installation

A set of three faceplates for the Kublai Magwell Grip to give you a choice of edgy aesthetics to suit your mood for the day.

£7.99
  • For Kublai Grip
  • Choice of Three
  • Push-Fit Installation

A set of three faceplates for the Kublai Magwell Grip to give you a choice of edgy aesthetics to suit your mood for the day.

£3.99
  • Alloy construction
  • Rear body pin/Stock pin for SMG-5
  • Compatible with CYMA SMG-5 AEG

If you have misplaced your SMG-5's rear body/stock pin you are in luck! This CYMA original replacement part is designed for CYMA SMG-5 AEGs but may also fit others. This pin is the rear body pin which holds the stock to the receiver and is constructed from alloy.

£11.99
  • Aluminium construction
  • Available in heat gradation, gold, black and red
  • For Action Army AAP-01 Assassin GBB Pistol

If you are styling your AAP-01 up this part would be great to add a bit of flair to your custom job. The Upper Receiver Lock Button from CowCow is constructed from aluminium, making it stronger than the original, but more importantly, it is available in several exciting colour options! Available in tactical black for more discrete builds or gold, red and glorious heat gradation for those looking for a more eye-catching pistol, the CowCow upper receiver lock button is great for any AAP style!

£11.99
  • Aluminium construction
  • Available in heat gradation, gold, black and red
  • For Action Army AAP-01 Assassin GBB Pistol

If you are styling your AAP-01 up this part would be great to add a bit of flair to your custom job. The Upper Receiver Lock Button from CowCow is constructed from aluminium, making it stronger than the original, but more importantly, it is available in several exciting colour options! Available in tactical black for more discrete builds or gold, red and glorious heat gradation for those looking for a more eye-catching pistol, the CowCow upper receiver lock button is great for any AAP style!

£24.99
  • Aluminium construction
  • Extended magazine catch
  • For TM based Hi-capa 5.1 & 4.3 GBB

If you are building a custom Hi-capa, the Laylax NINEBALL Custom Magazine Catch would be perfect to add a hint of style and some useful functionality at the same time. This magazine catch is an extended catch which places the button closer to the thumb, making for faster reloads and easier use for those with smaller hands. The catch is constructed from aluminium and has a textured surface to promote positive grip and control in all weather conditions. If your aim is to build the ultimate Hi-capa this would be perfect!

£24.99
  • Aluminium construction
  • Extended magazine catch
  • For TM based Hi-capa 5.1 & 4.3 GBB

If you are building a custom Hi-capa, the Laylax NINEBALL Custom Magazine Catch would be perfect to add a hint of style and some useful functionality at the same time. This magazine catch is an extended catch which places the button closer to the thumb, making for faster reloads and easier use for those with smaller hands. The catch is constructed from aluminium and has a textured surface to promote positive grip and control in all weather conditions. If your aim is to build the ultimate Hi-capa this would be perfect!

£49.99
  • Steel construction
  • Folding stock
  • Railed receiver

This one's for all you AK lovers looking to treat your rifle to a new receiver and stock. Constructed entirely from durable steel, this will undoubtedly give you AK a nice sturdy feel with a good weight balance. The stock itself is skeletonised to keep the weight balance and to allow it to fold into the receiver and lock in place with a latch.

The receiver has all the hallmarks of a classic AK body, with its signature level style mag release and angular trigger guard and is even complete with the iconic AK dovetail side mount, to which you can attach the tactical accessories of your choice.

Whether your looking to spruce up your AK47 with a new receiver and folding stock, or fancy creating some Frankenstein's monster of a rifle by attaching this to a non Russian rifle (we won't judge), this solid piece of gear is a great buy at the price.

£16.99
Was £29.99
Save £13.00
  • Faster Reloads
  • For Scorpion Evo
  • Works w/ Mid Cap

A Glass Nylon Fiber constructed Magwell adapter for the ASG Scorpion Evo, which serves as a reference point for your lead hand, and makes guiding a fresh Magazine into the Magwell much easier to perform from memory, allowing you to focus your attention solely on the battlefield where it belongs.

£49.99
  • Aluminium construction
  • Enlarged bolt handle - Easy to grab
  • For Tokyo Marui VSR-10 sniper rifle & clones

If you are upgrading your VSR platform sniper rifle to the max an enlarged bolt handle can help when it comes to pulling back a mighty upgraded spring! With this in mind, Laylax conceived the PSS NEO Bolt Handle, designed for use with the Tokyo Marui VSR-10. This bolt handle should also fit VSR-10 clone sniper rifles but as with any upgrade parts, modification may be necessary.

The bolt handle and base are constructed from aluminium and the bolt handle has machined grooves to make it easier to grip in wet weather. The bolt handle is also at a turned-down angle to ensure it clears your scope, no matter how big it is. Marked on the handle and base are helpful instructions on how to use your rifle, in case you hadn't already figured that out! The laser engravings read "1 LIFT THE BOLT HANDLE" "2 PULL >>>>>>" and "3 FIRE". Thanks for the help, Laylax!

£74.99
  • 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!

£11.99
  • Steel construction
  • Replacement original part
  • For CYMA CM.707 Sniper rifle

If you need a replacement bolt handle for your CM.707 Sniper rifle you are in luck! This CYMA part is an original replacement, intended for the refurbishment of an old and worn out sniper rifle. The handle is constructed from steel and does not include the polymer end piece so you will need the original end piece from your rifle to complete it.

£18.99
  • Lightweight aluminium
  • Speedy reloads
  • For ARP9

Instantly boost the ergonomics of your ARP9 with this simple, yet effective magazine catch. The widened magazine catch retains the ambidextrous nature of the original catch while making it easier to manipulate as well as operable with your index finger. Allows for drop free reloads just using your trigger finger from your firing grip.

£69.99
  • Alloy receiver with steel trim parts
  • For APS ASR series M4/AR15 AEGs
  • Includes charging handle, bolt catch, mag release

This Upper and Lower Receiver Set is an original replacement part for the APS ASR series M4/AR15 AEGs but may also fit other gearboxes, though it may require modification. The set includes an alloy upper and lower receiver, a bolt catch, charging handle, a magazine release, trigger guard, a steel dust cover and steel body pins. If you are building a spare upper for your APS ASR AEG this would be a perfect fit, but could also be used to add a touch of metal to a polymer M4/AR15 as long as you are okay with potentially undertaking modifications.

£29.99
  • CNC Aluminium construction
  • Available in either metallic red or black
  • Extended design for fast reloads!

If you would like your reload speed to increase in line with the speed of your AAP-01 pistol, an extended magazine catch will help get you there! Introducing the Action Army AAP-01 Aluminium extended mag release, a drop in replacement for your original polymer magazine catch which comes with an optional extension piece, intended to give you a split second increase in your reload times and allow easier access to the magazine catch when operating under pressure.

£1.99
  • Replacement original part
  • For CYMA CM.127 & CM.127S AEP
  • Also compatible with ASG XP17 Challenger AEP

If you own a CM.127, CM.127S or ASG XP17 Challenger and your mag release has gone missing or broken it's your lucky day! The CYMA Magazine Catch & Spring for CM.127 AEP is a replacement original parts set for the CM.127 and CM.127S AEPs but should also fit the ASG XP17 Challenger AEP. The set includes the mag catch itself and the spring.

£15.99
  • Aluminium construction
  • Available in several colour options
  • Speed up your reloads!

If you are building a custom Hi-capa or 1911 GBB, whether it is for competition shooting or use as a primary pistol for skirmishing, a cocking lever can help speed up your reloads and get you back into the action faster! The CowCow Raw cocking handle is designed for the TM Hi-capa and 1911 GBB pistols and replaces your rear sight with a side-mounted cocking lever which can be installed for use by either left or right-handed users. This cocking handle is compatible with most TM clone GBB Hi-Capas but will only fit 1911s with a rear sight dovetail, not the classic style with the rear sight machined as part of the side.

About Our Airsoft Receiver Parts

Here at Patrol Base UK, we have a range of airsoft receivers and receiver parts that make great spares or replacements. They’re also perfect for those looking to upgrade their Airsoft assault rifle with something a little more fancy. 

From MP5, M15 and M4 receiver parts to bobby pins and changing handles, we have everything you need to deck out your weapon. Speed up the mag release on your M4 receiver, swap out your old receiver for something more lightweight, or simply add core parts to your replica. 

If you’re working on creating a customised replica, take a look at our entire Airsoft attachments and accessories offering, where you’ll find everything from M4 stocks to KeyMod rails.