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£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.

£10.99
  • Alloy construction
  • Set includes both selector switches
  • For ARCTURUS AR15 Lite series

If you've lost a selector switch from your ARCTURUS AR15 Lite AEG, this set will sort you out! The Ambidextrous Selector Switch Set for AR15 Lite Series from ARCTURUS is an original replacement parts set specifically for the ARCTURUS AR15 Lite AEG series and is unlikely to fit other brands and models of M4 AEG. 

The set includes both selector switches, the mounting bolts, the detent and detent spring, replacing the entire external selector mech of the AR15 Lite. If you had a mid-game mishap and lost a selector switch, this set will get you up and running again!

£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!

£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.

£24.99
  • Aluminium construction
  • Textured surface for extra grip
  • Compatible with Novritsch SSG10 series

If you've put a strong spring in your SSG10 and want to cock it easily, the Novritsch Enlarged Bolt Handle for SSG10 is what you need! Constructed from aluminium with a deeply textured surface, this bolt handle is designed to provide extra purchase for easier cocking and faster follow-up shots.

The Enlarged Bolt Handle is also shaped to provide clearance for any optical sight you may have mounted, avoiding smashing your knuckles on your scope when working in a hurry. Whether you need more grip on your SSG10 for wet weather skirmishes or faster follow up shots the Novritsch Enlarged Bolt Handle is ideal for the job!

£9.99
  • 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.

£499.99
  • Crafted with precision using high quality materials
  • Unique splatter design colour scheme
  • 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. A standard black release and selector are provided. 

Introducing OMG, the ultimate base set for building your very own Speedsoft 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, OMG 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 OMG receiver and handguard set are put together quickly and are 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.

OMG 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 the OMG body and handguard kit. Get yours today and dominate the field like never before.

£11.99
  • Alloy construction
  • Replacement original part
  • For APS ASR M4 EBB Series

If the charging handle of your APS ASR M4 is looking a bit worn, why not swap it out for a fresh one? The APS M4/AR-15 Charging Handle for APS ASR Series is a replacement original part for the APS ASR series and is configured as a standard M4 charging handle with a low profile latch on the left side. The handle is constructed from alloy and finished in matt black. A good opportunity to make your old M4 look new again!

£13.99
  • 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.

£13.99
  • 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.

£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.

£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.

£2.99
  • 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!

£3.99
  • Replacement Sling Loop
  • ICS OEM External Part
  • For ICS SMG-5 SD Range

A replacement for lost or damaged ICS CES SMG-5 SD Series sling loops these parts are direct from the manufacturer replacements, which are exactly the same as the ones supplied with the weapon. Can be used to replace lost or damaged sling loops which may have been lost if too much force was applied to the sling.

£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
  • 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.

£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.

£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. 

£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.

£7.99
  • Fancy selector
  • For M4/AR15 AEG
  • Includes spring and detent

If you want to style up your M4/AR15 with some interesting small parts, starting with the fire selector isn't a bad shout! Introducing the Custom Safety Selector from Big Dragon, a stylish modern selector moulded from polymer, with an enlarged design and grooves for additional grip which guarantees you won't slip off the selector at a critical moment! This selector could be the icing on the cake that is your latest high-speed M4 build, and provides a vast improvement over standard M4/AR15 selector levers. 

£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.

£15.99
  • Aluminium construction
  • For M4/AR-15 AEG & GBBR
  • Makes bolt catch reloads faster and looks slick!

If you run a GBBR M4/AR-15 and you want an easy way to improve your weapons handling, the Aluminium BAD lever for M4/AR-15 from Big Dragon is what you need! This device attaches to the bolt release catch on the left side of the receiver and allows you to drop the bolt after a reload without having to hit the ping pong paddle, instead you press this lever with your trigger finger. The BAD (Battery Assist Device) also allows you to lock the bolt to the rear without taking your hand off the pistol grip with a push upwards on the lever when the charging handle is pulled back.

AEG users need not feel left out; the BAD can still be mounted to your AEG, but more as an aesthetic touch to mimic real world customised ARs. Compatibility wise, this device may need modification or shimming for a tight fit on any specific platform, so we only recommend this part for experienced users.

£4.99
  • Zenit Style
  • Textured Surface
  • Alloy Constructed

An Aluminium constructed charging handle extension for AK style replicas.

£5.99
Was £8.99
Save £3.00
  • Replacement magazine well
  • For Specna SA-G series AEG
  • Allows AR36 to use M4/AR-15/STANAG magazines

If your team use M4s but you prefer the AR36 this will suit your needs! This replacement magazine well will allow you to share magazines with your team and use smaller and more prevalent M4 magazine pouches.

£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.

£14.99
Was £24.99
Save £10.00
  • 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!

£14.99
Was £24.99
Save £10.00
  • 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!

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.