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209.00 kr
Was 339.00 kr
Save 130.00 kr
  • 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!

189.00 kr
  • Replacement original parts
  • For ARCTURUS GR16 AT-HT01 AEG
  • If you've lost a selector it's your lucky day!

If you have lost a selector switch from your ARCTURUS GR16 AT-HT01 AEG, either to the woods or the carpet, you are in luck! The ARCTURUS Ambidextrous Selector Switch Set for GR16 AT-HT01 AEG is a set of original replacement parts including both selector switches, 2 screws to mount them and the detent spring and detent itself.

We all know how easy it is to lose these tiny bits if something goes wrong, whether at the workbench or at a skirmish site. If you own an ARCTURUS GR16 AT-HT01 AEG, even if it is fully intact, having spares on hand can be an absolute life saver!

259.00 kr
  • 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!

679.00 kr
  • 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.

69.00 kr
  • M4/AR15 fire selector lever
  • For AEG rifles
  • Replacement original part

If your selector lever is looking a bit worn, or you have a fancy selector lever installed and you want to go back to the classic look, check out the M4/AR15 AEG safety selector from CYMA. A replacement original part, this fire selector should go straight onto any CYMA M4/AR15 AEG and will also fit many others! The selector set includes a fire selector blank plate for the right side of the receiver, selector cam, ball-bearing detent, and spring.

99.00 kr
  • 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!

99.00 kr
  • 2 Optics plates included
  • Optional charging handle - Can be installed on either side
  • For Cybergun CANIK TP9 GBB Pistol

If you want to equip your Cybergun CANIK TP9 GBB with a red dot optic for faster target acquisition and a slick modern look, the Cybergun CANIK Optic Plate & Charging Handle Set; Docter/RMR Footprint is designed for just that! This set includes two optics plates, one with an RMR footprint and one with a Doctor footprint, giving you access to the two most common red dot sight footprints.

Also included is a charging handle which can be attached to either side of the optic plate via its threaded base, granting functionality for both left and right-handed shooters and lightening fast handling IPSC race gun style! This is ideal for those who run their pistol as a primary in CQB skirmishes but can be left off entirely if you want a more snag-free setup well suited to a combat sidearm. If you want to dress your CANIK up like all the Glock and Hi-capa users can, here is your opportunity!

99.00 kr
  • 2 Optics plates included
  • Optional charging handle - Can be installed on either side
  • For Cybergun CANIK TP9 GBB Pistol

If you want to equip your Cybergun CANIK TP9 GBB with a red dot optic for faster target acquisition and a slick modern look, the Cybergun CANIK Optic Plate & Charging Handle Set; Docter/RMR Footprint is designed for just that! This set includes two optics plates, one with an RMR footprint and one with a Doctor footprint, giving you access to the two most common red dot sight footprints.

Also included is a charging handle which can be attached to either side of the optic plate via its threaded base, granting functionality for both left and right-handed shooters and lightening fast handling IPSC race gun style! This is ideal for those who run their pistol as a primary in CQB skirmishes but can be left off entirely if you want a more snag-free setup well suited to a combat sidearm. If you want to dress your CANIK up like all the Glock and Hi-capa users can, here is your opportunity!

139.00 kr
  • Alloy construction
  • Rear sight/trunnion block
  • For CM.04x Series AKM/AK74 AEGs

If you want to restore the factory fresh look to your workhorse AK, this part may be of use. The Rear Sight Block for the CM.04x Series is an original replacement part for AKM and AK74 rifles of the CM.04x series. This part will not work on AKS-74U AEGs, but should otherwise fit AKs which use the LCT style of construction. The sight block is constructed from alloy and comes with steel pins to mount it, and includes the handguard disassembly lever but does not include the rear sight or the rear sight leaf spring. The surface finish of this part is a rough textured finish which is a close match for the hard-wearing paint applied to Russian AK variants of the 1960s and onwards.

169.00 kr
  • 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!

169.00 kr
  • 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!

6,719.00 kr
  • Crafted with precision and the highest quality materials
  • Unique and eye-catching design
  • Dominate the field like never before!
Please Note, the Maxx Model magazine release and CNC fire selector shown in the product images are NOT included and are shown for demonstration purposes only. 

Introducing Neo.2, the ultimate base set for building your very own M4 airsoft replica. This custom-designed receiver and matching handguard set are CNC-cut to perfection and coated with a durable Cerakote finish that comes in a base colour with a contrasting splatter design, making it a true standout on the field.

Crafted with precision and the highest quality materials, Neo.2 is designed to provide an extra level of grip and protection to your airsoft gun. Its unique and eye-catching design is sure to impress even the most seasoned players.

The Neo.2 receiver and handguard set is put together quickly and is of course compatible with most M4 parts, providing maximum versatility and adaptability. This product is perfect for both beginners and advanced airsoft enthusiasts who want to elevate their gameplay to the next level.

Neo.2 is not just an upgrade in aesthetics, but in functionality as well. The Cerakote finish provides an extra layer of protection against wear and tear, while the CNC-milled cuts ensure maximum precision and stability during gameplay.

Don't settle for an ordinary airsoft build when you can have a standout one with Neo.2. Get yours today and dominate the field like never before.

59.00 kr
  • 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.

99.00 kr
  • Alloy construction
  • Replacement original part
  • For CYMA CM.098 series SR25 AEGs

If you've lost an SR25 selector switch, this should be helpful! The CYMA Selector Switch Set for CM.098 SR25 AEGs is a replacement original parts set for the CM.098 SR25 series and includes the left and right side selector switches, mounting screws, springs and ball bearings for that lovely "click" between modes. 

The switches themselves are constructed from alloy and match the KAC-style selectors found on the CM.098 series, including the scallop on the right side selector and the undercut on the left side selector to allow for full auto fire. Selector switches are always going missing, but with this set handy, your CM.098 won't miss a beat even if the worst happens!

209.00 kr
  • CNC Aluminium construction
  • Left side charging handle
  • For Novritsch SSP5 GBB pistol

If you want to set your SSP5 up for competition shooting or speed up its handling in general, the Novritsch SSP5 Charging Handle would be a great upgrade. This charging handle mounts in place of the rear sight, making it ideal for red dot equipped setups, allowing you to manipulate the slide far quicker and easier than before. This is the Left Side charging handle variant, meaning it protrudes to the left side of the pistol, perfect for right-handed shooters.

Whether you use your SSP5 as a primary weapon or as a steel shooting beast in AIPSC, this charging handle will change the way you use the platform and make racking the slide after a reload far easier and more intuitive than ever before. Weighing in a minuscule 5g, this won't slow your SSP5 down one bit!

339.00 kr
  • Alloy construction
  • Replacement lower receiver
  • For ARCTURUS M4/AR15 AEG

If you have had a mishap and scratched the lower receiver of your ARCTURUS full metal M4 platform we have just what you need to make it pretty again! The ARCTURUS alloy Lower Receiver For M4/AR15 AEG is an original replacement part for the ARCTURUS full metal M4 AEG series intended to replace a scratched or otherwise damaged lower. The lower receiver doesn't include any of the controls, body pins or trim parts so you will need these parts from your original lower to complete it.

Compatibility wise this part is intended only for the ARCTURUS full metal M4/AR15 AEG line and is unlikely to work with other brands' upper receivers.

409.00 kr
  • Faster Reloads
  • For Scorpion Evo
  • Improve Ergonomics

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.

219.00 kr
  • 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.

219.00 kr
  • 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.

409.00 kr
  • 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.

609.00 kr
  • 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!

49.00 kr
  • ABS Polymer construction
  • Replacement part for CM.028 AK47
  • Battery tray/charging handle base

If you have had a mishap with your CYMA CM.028 and cracked the battery tray you aren't the first and you likely won't be the last! The CYMA Charging Handle Base/Battery Tray for CM.028 AK47 AEG is designed to replace the battery tray inside TM pattern AK rifles in the event that it gets broken or damaged. Nothing ruins your AK like the charging handle sliding around loosely in the receiver so if you have a CM.028 that is worse for wear this affordable replacement part could be the key to fixing it up!

89.00 kr
  • For SMG5 and G3/T3
  • Allows releasing the magazine with the trigger finger
  • Ambidextrous operation

If you want to be speed reloading like your AR15 toting pals but you are of a more refined taste and run an SMG5 or G3 you are no longer doomed to be left in the dust! This magazine release extension allows ambidextrous operation, and releasing the magazine with the trigger finger, freeing up your support hand to get that new magazine in!

409.00 kr
  • Durable
  • Light Weight
  • Easy Install

The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.

409.00 kr
  • Durable
  • Light Weight
  • Easy Install

The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.

409.00 kr
  • Durable
  • Light Weight
  • Easy Install

The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.

409.00 kr
  • Durable
  • Light Weight
  • Easy Install

The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.

409.00 kr
  • Durable
  • Light Weight
  • Easy Install

The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.

409.00 kr
  • Durable
  • Light Weight
  • Easy Install

The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.

409.00 kr
  • Durable
  • Light Weight
  • Easy Install

The infamous and on high demand end cap. Order it with your body or just as a accessory on your build.

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.