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£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...

£84.99
  • 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!

£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.

£6.99
  • Advanced Design
  • Textured front to enhance grip
  • Brings your SMG-5 into the 21st century


If you are planning a modern SMG-5 build I have great news for you! You can ditch that dowdy old cocking handle and swap it out it with this ACR-esque modern replacement from CYMA. Made from sturdy Alloy and designed in a thoughtful way, featuring a lightening cut to keep weight down and grip surfaces where you need it, unlike the original. The CYMA extended cocking lever gives ergonomic advantages together with looking operator-af. Suits an M-LOK handguard perfectly!

£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.

£4.99
  • For CM.041 Series AEGs
  • Replacement original part
  • Alloy construction

A replacement original selector switch set for the CM.041 SMG-5 Series of AEGs. If your selector switch is a bit worn, no need to put up with it! Replace your old selectors with some fresh ones and have your SMG-5 looking great again!

£5.99
Was £7.99
Save £2.00
  • 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.

£5.99
Was £7.99
Save £2.00
  • 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.

£17.99
  • 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.

£22.99
  • 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.

£9.99
Was £13.99
Save £4.00
  • Aluminium construction
  • Ambidextrous functionality
  • For TM EU17 Gen.4 and EU19 GBB pistols

Adding a cocking handle to your pistol might seem a bit much, but in the modern-day and age of primary pistols becoming more and more popular the pistol needs to give up some of its concealment characteristics to become more than "just" a sidearm and compete in the modern CQB site. The Tactical Cocking Handle from CowCow is an ideal solution, providing a protrusion on either side of the slide to allow the pistol to be cocked more quickly and easily, even allowing for one finger cocking from either side! This cocking lever adds a whole lot of functionality but is more compact than competition optimised designs, allowing it to still be used with most tactical holsters whilst reducing snags. This cocking lever replaces the back plate of the slide on your TM EU series pistol.

£9.99
Was £13.99
Save £4.00
  • Aluminium construction
  • Ambidextrous functionality
  • For TM EU17 Gen.4 and EU19 GBB pistols

Adding a cocking handle to your pistol might seem a bit much, but in the modern-day and age of primary pistols becoming more and more popular the pistol needs to give up some of its concealment characteristics to become more than "just" a sidearm and compete in the modern CQB site. The Tactical Cocking Handle from CowCow is an ideal solution, providing a protrusion on either side of the slide to allow the pistol to be cocked more quickly and easily, even allowing for one finger cocking from either side! This cocking lever adds a whole lot of functionality but is more compact than competition optimised designs, allowing it to still be used with most tactical holsters whilst reducing snags. This cocking lever replaces the back plate of the slide on your TM EU series pistol.

£44.99
  • Extended charging handle
  • Includes extended fire selector switch
  • For Action Army AAP-01 Assassin GBB

Looking for fast access to the selector switch on your AAP-01? So are we! Thankfully, TTi, being the innovators they are have invented the perfect solution! The Competition Charging Handle with selector switch combines an extended charging handle with an extended rotary selector switch which allows you to change fire modes in a flash without needing to lock the bolt open and break fingernails. This is the aftermarket part the AAP always needed!

£164.99
  • Aluminium construction
  • Licenced by Daniel Defense 
  • Fits most M4/AR-15 AEGs

If your M4/AR-15 AEG needs a high-end makeover, the EMG Daniel Defense DD4™ RIII™ Metal Receiver for M4/AR-15 AEG is what it needs! Styled to match the receiver of the latest real steel Daniel Defence DD4™ RIII™ rifles, this receiver is made from flawlessly machined aluminium with an anodised surface finish to guarantee it maintains its good looks in the long term!

The set includes the upper receiver, lower receiver, front and rear body pins, an ambidextrous Grip-N-Rip® charging handle with mock bolt and a Daniel Defense marked polymer dust cover, completing the elite DD look. The upper receiver features DD4™ RIII™ markings prominently engraved and the right side of the magazine well includes realistic Daniel Defense roll marks, just like the real thing. As we might expect, the upper receiver also includes a 20mm Picatinny rail, ready for your choice of optical sight. 

This receiver is designed to fit M4/AR-15 AEGs and should fit most standard non-ambidextrous version 2 gearbox internals, making it the ideal way to style up your boring M4! The rear includes the standard AEG buffer tube mounting lug and the front features standard receiver threading; compatible with a wide range of barrel nuts and handguards so you can get the look you need. Whether you've got a polymer M4 that needs a realism boost or you want a bit of that in-vogue DD flair for your platform without buying a new gun, the EMG Daniel Defense DD4™ RIII™ Metal Receiver for M4/AR-15 AEG is a slick piece of kit!

£11.99
Was £15.99
Save £4.00
  • 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.

£18.99
  • Alloy construction
  • For Tokyo Marui based AK-47S AEGs
  • Underfolding stock required

If you own an AK-47S underfolder AEG and you want to elevate its realism, a metal body kit is the key! The CYMA Metal Receiver for TM AK47S AEG is compatible with the CYMA CM.028S and Tokyo Marui AK-47S AEGs and will also fit others as long as they use the Tokyo Marui external design and have an underfolding stock.

The receiver is designed to match the original AK-47S "milled" receiver style, complete with weight-reducing cutouts at the front on either side, steel mock pins for some nice extra detail and engraved Cyrillic fire selector markings, an appropriate nod to realism. At the rear of the receiver, there are cutouts so an underfolding stock can be installed, and there are no conventional stock tangs on this receiver so it is not compatible with the full stock or side folding stock variants of the AK-47 AEG. If you want your AK-47S to be as its creator intended, this metal receiver kit is what you need!

£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.

£3.99
  • Alloy construction
  • Compatible with CM.033 and CM.051
  • Replacement selector set for Thompson AEG

If you've lost a selector switch for your Thompson AEG, or even both, CYMA have you covered! The Selectors Set for CM.033/051 are packaged as a pair and are compatible with CYMA's Thompson AEGs, both the M1A1 and M1928 Chicago Typewriter variants. The selectors are constructed from alloy and finished in matt black.

£5.99
  • High density polymer construction
  • Extended mag release - Easy reloads
  • For Delta Armory DA-P series GBB pistols

If you're running a Delta Armory DA-P series EU17 GBB pistol and want to reload faster, this is the key! The Delta Armory Extended Magazine Catch for P-Series GBB is constructed from high density polymer, designed specifically for the DA-P series but potentially compatible with other Gen.3 style EU17 frames (no guarantees though!).

This extended magazine release features a textured surface for optimal grip in all weather and is much wider than the standard mag release, making it easier to reach for smaller hands. The set includes the entire mag release assembly other than the spring, though the original mag release spring used in the DA-P series is a perfect fit. A super affordable upgrade to make pistol handling much easier, this Extended Magazine Catch is just what you need to speed up your reloads!

£10.00
Was £39.99
Save £29.99
  • Weighs 172g
  • CNC Machined Steel
  • Ideal for M150+ Springs

A precisely engineered and uprated loading handle for the terrifying ASW338LM Airsoft sniper rifle from Ashbury Precision Ordnance.

£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.

£23.99
Was £27.99
Save £4.00
  • Ideal Spare Part
  • Steel Construction
  • For LCT AKM Series

A Steel manufactured Fire Selector for LCT branded AKM models; ideal as a spare part or replacement.

£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.

£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.

£149.99
  • CNC Aluminium construction
  • M-LOK & 20mm Picatinny rails
  • For CYMA CM.04x & CM.05x AK AEGs

If you want a striking new look for your AK, the 5KU CNC Aluminium MK3 M-LOK Chassis for CYMA AK AEGs will do the trick! This CNC aluminium chassis transforms the AK design, bringing it into line with more modern platforms with M-LOK slots, a lengthy 20mm Picatinny rail up top and a dynamic, angular look. 

Compatibility-wise, this kit is designed for CYMA AK AEGs of the CM.04x and Cm.05x series using the VFC external construction style. It may fit other VFC-style AKs but won't fit AKs based on the TM AK-47 AEG (CM.028, CM.5xx, CM.03x & JG AKs) nor will it fit AKS-74U AEGs. If your AK needs a 21st-century facelift to compete with modern designs, kit it out with the CNC Aluminium MK3 M-LOK Chassis for CYMA AK AEGs from 5KU!

£9.99
  • Steel construction
  • Extended design
  • Give your AK the iconic look!

If you want to add some tactical trimmings to your AK an extended fire selector would be a good call. The LCT AK Fire Selector is constructed from stamped steel and is a modernised design with a ledge that can be used to select fire modes from a firing grip. With this selector installed you no longer need to take your hand off the pistol grip to select your fire mode; simply move the new selector using the ledge and your trigger finger.

This makes a massive difference when it comes to handling an AK and allows it to go toe to toe with the AR platform in ergonomics and efficiency. It doesn't come with any fittings and is only the fire selector. A perfect item for any Tactical AK or custom AK build, this selector lever not only looks super slick but also makes your AK super slick to use. Not to mention, it will give the iconic fire selector scratch mark on your receiver!

Please note this is only the selector and does not include the necessary fittings for installation.

£10.19
Was £11.99
Save £1.80
  • Alloy construction
  • Original replacement part
  • Fits KJW and LS B9 GBB pistols

Had a little mishap when taking your B9 GBB apart? KJW have just the thing. The B9 series GBB magazine catch is an original replacement part, and fits both the KJ Works B9 GBB series and the LS B9 GBB series. The set includes the magazine release and its spring.

Though it is designed by KJW for their B9 GBB series this mag catch may be compatible with other B9 GBBs but we aren't able to test this so please consider carefully before buying.

£129.99
  • CNC Aluminium construction
  • 20mm Picatinny rails top & bottom
  • Compatible with Action Army AAP-01 & AAP-01C

If you love the way the AAP-01 shoots but don't get along with its looks, the Action Army Black Mamba Type A Upper Receiver for AAP-01; CNC Alu belongs on your shopping list! Made from superb quality CNC machined aluminium with steel iron sights, this is the Type A version, furnished with a futuristic hexagonal machined pattern on either side which only adds to its menacing aesthetic.

Up front, the Black Mamba is rocking an aggressive muzzle brake with a dynamic shape which blends seamlessly with the receiver itself, mounting to 14mm CCW male barrel threading at the front. If you want to run a tracer for improved instinct aiming in low light, unscrew the knurled nut at the front to remove the muzzle brake to access the barrel threads.

Up top, we have a pair of adjustable iron sights; a light-enhancing front sight with an adjustable anti-glare rear sight. These sights are fantastic to use and very modern, though the integral 20mm Picatinny rail running between also allows you to mount a red dot sight or scope. On the bottom, we have another built-in 20mm Picatinny rail, ready for your tactical flashlight or aiming laser. The Black Mamba Type A is compatible with both the AAP-01 Assassin and the AAP-01C Shinobi and is what you need to make your AAP stand out!

£164.99
Was £189.99
Save £25.00
  • For LCT M70AB2
  • Steel Construction
  • Direct Replacement

A Steel constructed replacement Receiver & Folding Stock for the LCT M70AB2 Airsoft Electric Gun, which features a Stamped Steel receiver and Steel Underfolder Stock, complete with Sling Loop.

£31.99
  • Polymer or Metal versions
  • Modernised design - "Billet" style
  • For M4/AR-15 AEGs

If your M4/AR-15 AEG is a bit scratched up, the Delta Armory Receiver Set for M4/AR-15 AEG will sort that out! This set includes the upper and lower receiver, fire selector switch and front receiver pin, available in high density polymer or alloy construction. If you're working on a lightweight build, the polymer version is ideal. If you want weight and realism, you want the metal version!

Styling-wise, this receiver set is Delta's own design, inspired by real steel "Billet" receivers found on high-end, ultra-modern real steel AR builds. The trigger guard is enlarged and built-in, improving strength when compared to milspec receiver designs, in line with the latest real steel ARs hitting the market. As we might expect, we are treated to a 20mm Picatinny receiver rail running along the top, ready for a red dot sight, scope or iron sights. 

If you're building from scratch, you will need a charging handle, magazine release, dust cover and mock rear pin to complete the receiver itself, along with your internals and pistol grip. While we can make no guarantees, parts from most other brands should fit this receiver without issues. Whether you need a bargain receiver for a scratch build or want to change the build style of an existing M4/AR-15 AEG, the Delta Armory Receiver Set for M4/AR-15 AEG will do the trick!

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.